They are both puppets of forces they don't fully understand.

To make Mars viable you first have to make Earth _really_ bad.

The reason is his amusement, something that I assume gets harder when your hedonic treadmill has long ago accelerated beyond what seems humanly possible. As someone who has trollish tendencies myself, I cannot help but feel a bit of grudging respect for his recent accomplishments in that regard, though as one of the "NPCs" in the country he has chosen to troll, I can't say I'm terribly amused. And as someone with a Jewish girlfriend, I'm a bit worried about how far he intends to take the ironic Nazi-ism.

Trump and Musk both pattern-match to my understanding of clinical narcissism.

With the usual caveats:

1. I'm not a qualified psychiatrist

2. You could tell that without me saying so, because qualified psychiatrists know better than to diagnose people from public behaviours alone

3. Even private interviews for diagnosis are not perfectly reliable

4. Gell-Mann amnesia effect on public reporting