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AI safety researcher quits Anthropic, warning ‘world is in peril’

Researchers Zoe Hitzig and Mrinank Sharma resigned citing AI safety risks and ethical concerns with ad-driven incentives, reflecting growing unease at top AI labs, with 83% of users accepting ads, Forrester found.

  • This week a wave of high‑profile departures emerged as Zoë Hitzig resigned Wednesday citing deep reservations about OpenAI’s ad strategy, and Mrinank Sharma warned Tuesday that `the world is in peril` before leaving Anthropic on February 9.
  • Hitzig argued that advertising built on intimate chatbot data poses unique risks, warning ChatGPT's archive of human candour could be exploited and she no longer trusts OpenAI's firewall promise.
  • Sharma's letter described his safety work and reasons for leaving, writing, `I achieved everything I wanted here` and saying he will pursue a poetry degree and integrity‑aligned projects.
  • The departures spotlight tension between safety teams and commercial aims, with rapid exits including two xAI co-founders within 24 hours, highlighting churn amid IPO pressure and faster growth.
  • Observers warn the exits raise fundamental questions about AI's future trajectory, with Geoffrey Hinton issuing similar warnings and Dr Henry Shevlin noting `Walkouts from AI companies are nothing new`.
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Business Insider broke the news in United States on Monday, February 9, 2026.
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