Martin Casado: people now use "Bitter Lesson" to mean "a frontier lab spent lots of money"

ZeYanjie · x · 2026-11-10

a16z partner Martin Casado mocks how the term "Bitter Lesson" gets invoked today: as far as he can tell, much of its current usage boils down to "a frontier lab spent a lot of money on a given area" — substituting a famous slogan for actual argument. The post drew wide circulation.

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