Gary Marcus says human extinction by 2030 has 'essentially zero chance,' gets challenged

IsaacKing314 · x · 2026-09-10

AI critic Gary Marcus tweeted that there is 'essentially zero chance' of human extinction by 2030, promising a detailed argument in his Thursday newsletter and challenging doomers to present a concrete, plausible extinction scenario. Isaac King shot back, asking Marcus to offer an equally specific scenario for how humanity survives to 2030 — implying a double standard in his burden of proof. Another round in the ongoing AI-risk debate.

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