Elon Musk told a court on Wednesday that he was a "fool" for providing funding to launch ChatGPT maker OpenAI. Testifying in a  case he brought  against OpenAI, the billionaire founder of Tesla and SpaceX said he continued to finance OpenAI after receiving assurances from OpenAI CEO Sam Altman that the company would remain a nonprofit. However, Musk said he began to have doubts about the company's direction and said he later felt betrayed.  Musk alleged in his civil lawsuit that OpenAI, Altman,