Who is Jacob Coxon, Anthropic whistleblower, and why has his resignation alarmed the world?

Anthropic's Jacob Coxon, 27, declared his departure from the company in a series of X posts, saying both Anthropic and its rival OpenAI are failing to act responsibly. Coxon, who quit his job in four months, also made a stark warning, saying AI labs are 'gambling with our lives'