Good people refuse to do bad things

I resigned from Anthropic today. I spent the last three years doing pretraining research at both OpenAI and Anthropic. Neither company is acting responsibly. They are racing straight to self-improving superintelligence and gambling with our lives. More thoughts below.— Jacob Coxon (@hilbertspaess) September 9, 2026 This is how Jacob Coxon said goodbye to the AI industry, on X, last week. And in a follow-up post: “The people building AI earnestly believe that it could kill us all by the end of the decade. This is not a marketing stunt.” Jacob Coxon is not a star. He is not a CEO, not a famous scientist, and does not hold a PhD (yes, in USA you can be an “AI researcher” without a PhD). He joined Anthropic at 27 years old, mainly because of its safety reputation, and he likes to solve problems and “make a world a better place”. He is, in other words, an engineer. Like most of us. But he did something most of us never do: he left two months before his equity vested, and gave it up to…