Elon Musk’s Grok is easily the most controversial of the big AI chatbots. The trillionaire has tinkered with Grok in ways that have made it spout racist conspiracy theories, call itself MechaHitler, and generate non-consensual naked images of X users. There was even a period when Grok would praise Musk as smarter than Albert Einstein and more fit than LeBron James. With all of the recent controver...