If Fani Willis is removed a new DA will be appointed.

[FBaggins]

8. Of course there is

Again - there isn’t proof. She has all the reasonable doubt in the world.

That’s the difference. If she were on trial for illegally accepting gifts from him, “I reimbursed everything with cash” is enough unless/until the prosecution could overcome that (perhaps with evidence that she does not, in fact, pay cash for everything. But such a prosecution would have access to bank records and transactions.

But here? The judge just had to believe that her claim isn’t credible. That’s certainly possible given her (awful) courtroom demeanor (Wade did substantially better).