I don't think he's losing it--he never had it. People are so easily impressed with someone who is good at one thing. But that is not genius. Genius is being good at everything.
Musk was an abused child and he never got the therapy he needed. Just like Trump.
One day, I hope we can stop assuming rich people with success in one area are somehow more advanced as people. They're not. Musk and Trump prove it.