Gary Marcus accuses Jason Calacanis of ad hominem attack in AI debate

GaryMarcus · x · 2026-10-20

Gary Marcus publicly complained that investor Jason Calacanis responded to his factual claims with personal attacks rather than rebuttals, attaching Paul Graham's disagreement pyramid to imply Jason stayed at the 'ad hominem' level. The latest flare-up between AI boosters and skeptics is drawing attention to how heated these public debates have become.

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