Tesla CEO Elon Musk fought court cases on opposite coasts on Monday, raising a key question about the entrepreneur that could either accelerate his plan to put self-driving Teslas on streets or throw up a major roadblock: Can this billionaire, who has a tendency to exaggerate, really be trusted?

Seasoned Los Angeles chef and restaurant consultant Eric Greenspan, who has been linked to the Tesla Diner since last year but hasn’t spoken to the media about it, commented on one of Musk’s posts: “Let’s make happy people. And pie shakes.”