The problem is that Trump has successfully turned any form of accountability into a campaigning and fundraising opportunity. Everybody insisted that his trials would sink his campaign, and they've done nothing but bolster it. His court appearances now are little more than glorified campaign rallies. And once Trump realized that not even court proceedings are enough to rattle his base, he has been exploiting that ever since.
He doesn't care about the outcome of this or any other trial any more, except for the SC case that would effectively remove him from the ballot. All he cares about is turning the court cases into circuses he can fundraise off of, and stalling for as long as possible until he wins a 2nd term in office and just makes all of it go away (Yes, even the state stuff, because he'd be in a position to say "you've made your decision, now let's see you enforce it.)
And the thing is, there's a non-zero chance he very well may get his wish