That's part of it, but I think it's more envy driven. He took his winnings at Paypal and bet it all to transform 2 industries. While most of us would have retired, blew it on a mansion and binge watch Game of Thrones in our private theater. Where would we be with electric cars and space right now if he had spent the past 20 years sailing on a yacht collecting supermodels? He could have done that instead.
He shows what's possible and it exposes our inadequacies and sloth. If you're insecure, he is constantly touching a nerve with success after success, his massive fanbase and ever presence in the news.