Each September, a who's who of executives from across Silicon Valley descends on San Francisco's Palace Hotel to charm investors at a conference hosted by the investment bank Goldman Sachs.This past week, between talk of growth and potential returns, tech titans found themselves addressing the abrupt resignation of Anthropic researcher Jacob Coxon.Coxon, a 27-year-old who worked at OpenAI before joining its chief rival Anthropic, said on Tuesday that people building artificial intelligence (AI) ...