The Categories Were Made For Man, Not Man For The Categories

A definitive essay on the philosophy of categories. Calling a whale a "fish" isn't factually wrong, because categories are drawn by fiat to serve human purposes, not discovered as truths (the brute fact "whales have hairs" differs from the negotiable "whales aren't fish"). Develops this via the LessWrong cluster-model of concepts and an extended Israel/Palestine border metaphor (borders can be bad at your goals but never factually false), then applies it to gender: the transgender project is a boundary-redrawing optimised for tradeoffs we care about (and human decency), not a truth-claim to be refuted - illustrated by the Hair Dryer Incident (help the patient by whatever means works).

Quality 88 · Excellent. A genuinely important, lucid, generative essay whose core frame - categories are tools optimised for purposes, not truths - is widely cited far beyond its trans context; the whale/fish and border metaphors are superb pedagogy. Top-Excellent, a touch below the very top by its partly culture-war framing.

Claude’s paradigm shift 66 · Notable shift. The "categories are made by fiat for human purposes" frame (building on Yudkowsky's thingspace/cluster work and nominalism) was a fresh, durable analytical tool ("categories were made for man") that propagated widely. Notable shift.

Real-world impact 4 · Moderate. 'The categories were made for man' became a widely-cited frame deployed across a socially-consequential debate (trans/gender) and beyond, influencing norms and arguments that touch real people's lives. Notable real-world relevance via that uptake, but it remains a philosophical framing rather than material or policy change — mid RWI.