Jacob Coxon resigned from Anthropic on September 9, 2026, and warned four days later on NBC News that the kill switches built into advanced AI systems could already be obsolete given future autonomous agents’ ability to replicate across distributed infrastructure. Anthropic’s alignment lead Evan Hubinger estimates the probability of AI causing human extinction within the next decade at greater than 10%, while CEO Dario Amodei publicly endorsed slowing AI capability development and called for independent safety evaluations. The U.S. Congress introduced the bipartisan AI Kill Switch Act in July 2026 to impose formal controls on frontier AI development, a measure supported by 86% of American voters according to a June 2026 AI Policy Institute survey.
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