They gave his PAC money, not him directly. With the federal and state governments watching his every move, I'm sure one of them would love to add additional fraud to the list of charges.
It's not like he can just use it how he wants (anymore).
And as jail goes, the court proceedings haven't happened yet. He's out of jail, sure, but that doesn't mean he's free.
TBH, how do his followers have any money left? They've bankrolled all of his endeavors for the last 7-8 years, plus bankrolled the other various grifters who kiss Trump's ring.