No he hasn’t. The collective work of employees of companies he has stake in has.
/s
Seriously, this is just blind hate. He's a deeply flawed individual and I definitely think he's a jerk, but he's at least he's taking risk on creating something actually new.
The richest people I know made money on "safe" industries like civil engineering and plastic bag manufacturing.
Pushing the aerospace industry? Challenging the petrol status quo by making EVs viable? Credit where credit is due, he put in the investment and pushed people to make it happen. Obviously not single handedly, but surely accelerated it.
If not, doesn't it indicate that CEOs are pretty important in the business scheme of things?
Yes, a lot of scientific advancement comes from exactly that.