1) Wishful thinking. Maybe some. But not the majority.
2) Sure. You keep telling yourself that. Pluck any YouTube snippet you care to that validates your viewpoint.

3) In 2020, the youth
DID come out. That's what made the difference for Biden. And they'll come out again, no matter which Democrat sits at the top of the ticket.
You just and righteous with your little culture crusades and woke holy wars are making sure that will happen.
Again, in order for Trump to have a chance to win in 2024, he has to flip at least four of the swing states he lost last time. That means he has to sway independents.
No evidence he's made any gains in that department. Therefore, the math remains the same. He can't win.