Elon is a social dumbass with the emotional maturity of an edgy 14 year old boy, but calling him a fraud I'd say is false and unproductive.
Given the massive string of lies he spun about "full self driving" over the last decade or more, I don't think so.
Even before his recent political turn when he got widely vilified, I didn't trust him because of his record.
Same with Musk and the stock market. At some point, victim-blaming may be the only rational explanation left. His followers are rubes falling for a fraud, yes, but it can hardly be considered involuntary or exploitative at this point. The rubes have become rich simply by sticking together under Musk's benevolent gaze, dominating financial discourse in the broader market. It will continue to work for them, right up until it doesn't.