The world’s richest man took the ChatGPT maker to court last week.

Musk kept his cool, and OpenAI’s lawyer bulldozed him with piercing questions about his motivations for suing the company.

Elon Musk called himself a "fool" in court, warned of a "Terminator" future, and admitted that xAI taps OpenAI's models for its own AI training. Week one of Musk's trial against…