From within the laboratories building the most powerful artificial intelligence systems in history, a chorus of warnings has begun to rise — not from critics on the outside, but from those who have sat closest to the work. Jacob Coxon, a 27-year-old researcher who left Anthropic, has told the world that his colleagues are not merely cautious but genuinely afraid, and that the pace of development may be outrunning humanity's ability to understand what it has created. His warning arrives at a moment when the industry itself is divided between those who see extinction as a real horizon and those