Because he’s an absolute moron of a filthy rich asshole and these companies are actually run by people much smarter than him. And even then, sometimes all they can do is damage control for his dumpster fires PR stunts like the cybertruck.

Never forget that he never actually founded any of these companies. He’s just so insecure and desperate to be perceived as a genius that he buys the “founder” title from the actual smart people who came up with their ideas.