He's a much better person and much more likeable than most billionaires i.e people like Bill Gates or Jeff Bezos. And he is pretty visionary and innovative in terms of taking good ideas and betting on them if he sees potential in them. Like his big winners i.e. Paypal and Tesla.
Paypal btw is absolute shit service these days. I think it will be gone in a few years.
The Mars thing is not feasible when white people are becoming minority. The brainpower will not be there to follow through and we will have more problems on planet earth to solve before thinking about that stuff.