As a thought experiment, I like to wonder what would be the maximal amount of damage to humanity an extremely wealthy person could do entirely legally.
Ian Fleming explored that idea rather effectively with Hugo Drax in the original Moonraker novel (which doesn't have much besides the name in common with the movie.)
The way things are playing out, Drax must have been Musk's childhood hero.
If you read the book, the comparison goes from amusing to unsettling, if not all the way to scary. Among other parallels, Drax ingratiates himself with England's leadership ("Your Majesty, may I have the temerity...") and cheats at games despite obviously not needing the money or fame.
I'm actually started to wonder if Elon is actually deeply mentally ill, high functioning, and living in a completely delusional reality. He's clearly trying to live out things he's seen in novels. If you haven't yet read up on where his name came from, check this out. He was named after the main character of a book written by a Nazi rocket scientist. It's almost too weird to believe, but it is indeed true: