The hilarious part is, he absolutely had the same PR team that the Gates and Jobs and Buffetts had.

And at some point in the Trump presidency, he just straight up threw them to the curb. Fired the lot of them, or at least stopped listening to a word of advice they gave. And he just started going on rants, tangents, and showing who he really was for all the world to see.

Nobody will ever know for sure, but best guess is his addiction to Twitter drove his need to be acknowledged and accepted by the general populace. He was a rockstar, and he got off on that feeling.