# Block's 4,000 job cuts reveal AI can trigger a company-wide vicious cycle - slug: blocks-4000-job-cuts-reveal-ai-can-trigger-a-company-wide-vicious-cycle - date: 2026-04-13 - category: Artificial Intelligence Block fired 4,000 people and called it gravity. A UPenn/BU paper explains why the math is a Prisoner s Dilemma, why better AI makes it worse, and why the comfort policies all fail. Preprint, not peer-reviewed. ---