Taste & Judgment

The human capacity to judge what is good — design, architecture, output quality — with no objectively checkable answer; the faculty AI cannot substitute and agents amplify.

Also known as: taste, product taste, judgment, smak, obviously good, hypothesis quality

How authors use it

Oldest first (extraction date when no publication date is known).

AuthorTheir termTheir meaning
Eight years of wanting, three months of building with AI
Lalit Maganti · 2025-03-01
tasteThe human capacity to judge API design, architecture, and user experience -- qualities with no objectively checkable answer. Determines whether refactoring is merely rearranging or genuinely improving.
Research-Driven Agents: What Happens When Your Agent Reads Before It Codes
Alex Kim · 2026-04-09
hypothesis qualityThe quality of the optimization ideas an agent generates before running experiments. The core claim is that hypothesis quality — not execution capability — is the binding constraint on agent performance. A code-only agent generates shallow hypotheses (micro-optimizations); a research-informed agent generates structural hypotheses (operator fusions).
The founder of Postman says you have to kill your existing org chart
Ivan Burazin · 2026-04-10
judgmentThe ability to make good decisions about what to build, prioritize, and ship — positioned as management's redefined purpose
How Anthropic's product team moves faster than anyone else | Cat Wu (Head of Product, Claude Code)
Lenny's Podcast · 2026-04-23
product tasteThe ability to decide what to build, how to build it delightfully, and which of thousands of requests are worth pursuing — includes judging model output quality
Why cultivating agency matters more than cultivating skills in the AI era | Max Schoening (Head of Product, Notion)
Lenny Rachitsky, Max Schoening · 2026-05-09
obviously goodA quality bar defined by immediate recognition — 'you know it when you see it,' like the first iPhone or ChatGPT. Used as an internal Notion standard ('Let's just only make obviously good stuff').
Why cultivating agency matters more than cultivating skills in the AI era | Max Schoening (Head of Product, Notion)
Lenny Rachitsky, Max Schoening · 2026-05-09
tasteThe ability to run a virtual machine in your head where, given an idea, you can predict whether a specific in-group will like it. Built through iterative reps with feedback, not innate talent. Explicitly compared to training a model via backpropagation.
You can't unit test for taste
Karl Tryggvason · 2026-06-22
TasteThe subjective judgment of what output is good, relevant, interesting and well-proportioned, for which there is no ground truth and no automated (red/green) test.
Addy Osmani’s Post
Addy Osmani · 2026-07-11
tasteEarned pattern-matching — the ability to tell good from great, and more basically to tell whether output is good at all — built through deliberate reps ('study good vs. great'), not innate; the faculty whose loss, not bad code itself, is the real risk of AI.
Adam Mosseri: AI is a tailwind for authenticity
Adam Mosseri (guest); Lenny Rachitsky (host) · 2026-07-11
tasteThe instinct for what is good and what should be built — the faculty Mosseri thinks is 'much more difficult to imagine being automated away', which makes him 'long on designers' even as generalists encroach on design.
Adam Mosseri: AI is a tailwind for authenticity
Adam Mosseri (guest); Lenny Rachitsky (host) · 2026-07-11
judgmentHuman decision-making around strategy and what to build under constraints — 'you're not asking an AI to come up with a strategy'; the leader defines success, sets constraints and gives feedback, so directing AI 'looks more like management'.

Documents (32)

Propositions touching this concept (65)

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Tensions

Is code a durable artifact humans must keep reading, or an ephemeral byproduct regenerated from a spec?
from: What did the participants of the Thoughtworks 'Future of Software Engineering' Europe retreat (mid-2026) conclude about how agentic AI is reshaping software engineering?
Assessment: The retreat's own 'largest divide' (Ördög). It is unresolved inside the room and inside the individual essays: Herlein concedes the deterministic 'code is the better spec' counter is 'hard to wave off', and Ördög reports being ironically pulled toward the dark-factory camp by her own good-code practices. The crux is whether a fuzzy prose spec can ever be the durable source of truth when the stated quality bar is verifiability — a tension none of them resolves.
Should the harness/platform-building function be centralised, or emerge per-team?
from: What did the participants of the Thoughtworks 'Future of Software Engineering' Europe retreat (mid-2026) conclude about how agentic AI is reshaping software engineering?
Assessment: A precise split about the organisational form of the scaffolding, not its existence: both want shared architecture guidance, but Edwards-Alexander wants the building capability distributed (friction as feature) while Ocytko wants it concentrated in a platform (constraint as feature). Each concedes the other's pole — Edwards-Alexander keeps a central harness; Ocytko warns against over-constraining — which is why this is a live, unresolved tension rather than a clean contradiction.
Reversibility as a hedge vs a one-way commitment to deeper autonomy.
from: What did the participants of the Thoughtworks 'Future of Software Engineering' Europe retreat (mid-2026) conclude about how agentic AI is reshaping software engineering?
Assessment: Incompatible risk models. Verraes treats deep AI-dependence as the danger to insure against; Herlein treats not-committing as the existential danger. They cannot both be the rational strategy: reversibility trades some upside for exit options, while flywheel-commitment trades exit options for compounding lead. The tie-breaker is empirical (will access/economics deteriorate?) and neither has evidence — Fowler's 'tokenpocalypse' data leans slightly toward Verraes.
Is the value question genuinely settled by evidence, or does uncertainty and sampling bias still dominate?
from: What did the participants of the Thoughtworks 'Future of Software Engineering' Europe retreat (mid-2026) conclude about how agentic AI is reshaping software engineering?
Assessment: The single sharpest divergence, and it sits directly under the headline whether-to-how convergence: they narrate the same shift but disagree on what it establishes. Edwards-Alexander and Herlein read the room's confidence as evidence; Vella and Ruby read the same room as a self-selected in-group. Ruby has the better of it methodologically — he is the only one to interrogate the sample and to notice the evidence is asymmetric (upside anecdotal, downside studied), which is uncomfortable precisely because the cohort's confidence is built on the weaker side.
If code is no longer the bottleneck, what is the new binding constraint?
from: What did the participants of the Thoughtworks 'Future of Software Engineering' Europe retreat (mid-2026) conclude about how agentic AI is reshaping software engineering?
Assessment: They agree code/delivery has ceased to be the constraint but name three different successors, with different investment implications — expand decision-making capacity (Vella), optimise for learning (Edwards-Alexander), or capture tacit knowledge (Herlein). These are complementary in principle but rivalrous for attention and budget; the disagreement matters because each implies a different 'first thing to fix.'
Will the classic fundamentals (especially DDD / domain modelling) actually deliver this time — is the revival evidenced or merely asserted?
from: What did the participants of the Thoughtworks 'Future of Software Engineering' Europe retreat (mid-2026) conclude about how agentic AI is reshaping software engineering?
Assessment: The single slogan 'fundamentals matter more' spans concrete evidence (Verraes), unargued assertion with admitted bias (Nilsson), and active skepticism (Edwards-Alexander) — from attendees of one retreat. This directly exposes the 'the fundamentals are agreed' assumption below: the cohort's flagship convergence is doing a lot of work with very uneven support underneath it.
Is code a durable artifact to be maintained, or an ephemeral byproduct regenerated from a more durable source (spec/objective)?
from: What is the future of software development in the agentic/AI age?
Assessment: The most-cited open question of the corpus, and genuinely unresolved (Herlein: 'no consensus here. None.'). The 'code is the better spec' counter is strong — code is unambiguous, executable, deterministic, whereas a prose spec is reinterpreted each run, which sits in tension with verifiability being the quality bar. Ruby's move is the most defensible: it dissolves the code-vs-spec fight by locating durability in the evaluation rather than any representation. Verraes and Ördög expose the load-bearing empirical unknown — nobody has data on regenerate-vs-patch cost or on long-term evolvability of agent-maintained code.
Where does the non-delegable human asset now live — the harness/platform, the oracle, the fundamentals, or the developer's understanding?
from: What is the future of software development in the agentic/AI age?
Assessment: This is the deepest structural disagreement — every author agrees a human residue remains but nominates a different residue, and the choice determines what to invest in and what to teach. The harness-centric (Edwards-Alexander), oracle-centric (Ruby), fundamentals-centric (Nilsson/Bangser), and understanding-centric (Fowler) camps are not merely emphases: they imply different career ladders, different hiring, and different failure modes. Ruby's oracle and Bangser's operational-learning are the most operationally concrete; Nilsson's is the least argued. The absence in the corpus of anyone who holds 'nothing is non-delegable' is itself telling (see unexamined assumptions).
Should the harness/platform and its safety be centralized or left distributed across teams?
from: What is the future of software development in the agentic/AI age?
Assessment: A real operating-model split. Edwards-Alexander's distributed stance rests almost entirely on the DevOps-team analogy (his own extraction flags it as asserted-on-intuition, not argued), whereas the platform camp has the stronger concrete case for the citizen-developer safety problem — you cannot distribute production-data guardrails to non-engineers. The tension is partly reconcilable: Ocytko himself concedes a platform tight enough for non-engineers may be too constraining for expert engineers' identity and innovation, which is exactly the freedom Edwards-Alexander is protecting. The unresolved question is whether one platform can be both.
Strategically, is the right move to accelerate adoption to build a permanent lead, or to decelerate and hedge against AI's risks?
from: What is the future of software development in the agentic/AI age?
Assessment: Nearly opposite bets: Herlein optimizes for a world where AI keeps getting cheaper and better and first-movers win permanently; Verraes and Fowler optimize for a world where AI gets costlier, curtailed, or unreliable. Herlein's 'permanent moat' rests on flywheel logic plus a single secondhand anecdote and ignores technology-diffusion catch-up dynamics; Verraes and Fowler's hedge is cheap insurance but under-examines whether reversion is actually achievable once specs, agents, and toolchains are deeply embedded and human familiarity has eroded. The disagreement is ultimately a bet on the trajectory of token economics, which nobody in the corpus can price.
Is preserving human understanding of the system a first-order value, or is comprehension safely offloadable so long as output is verifiable?
from: What is the future of software development in the agentic/AI age?
Assessment: The optimist-practitioner vs. skeptic-humanist axis. Fowler and Nilsson treat comprehension and craft as intrinsic goods whose loss is a harm even when output is fine; Herlein and Ocytko treat comprehension as instrumental — replaceable by verification and platform guardrails. The humanist camp has the stronger long-run argument (Fowler's cognitive-debt case and Ocytko's own 'who-guards-the-guards' problem both show verification and guardrails are themselves fallible artifacts that someone must understand), but the offloadable camp is describing what is actually happening at scale. The crux is whether verifiability can ever be robust enough to make understanding optional — which Ruby's own Goodhart gap (a passable oracle diverging from true intent) suggests it cannot fully be.
If code was never the bottleneck, what is the binding constraint now?
from: What is the future of software development in the agentic/AI age?
Assessment: A productive three-way split downstream of the shared 'code was never the bottleneck' finding. They are not incompatible so much as differently located — decision capacity (Vella) is organisational, learning (Edwards-Alexander) is about the team's rate of understanding the problem, and knowledge (Herlein) is about capturing rationale. But they imply different investments: expand downstream absorption, restructure around learning, or build knowledge-capture pipelines. The corpus has not reconciled which is the true binding constraint, and each author generalizes from a different vantage (a retreat-floor convergence, an org-design frame, a knowledge-engineering frame).

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