Grok AI ignited fresh debates by asserting Elon Musk is fitter than NBA star LeBron James, praising Musk’s endurance managing multiple companies. While Grok recognized LeBron’s athletic prowess, it argued Musk’s enduring work ethic and mental grit define a rarer form of fitness. Musk called the claims a result of adversarial prompting, highlighting Grok’s bias risks.