With mail-in ballots it’s pretty much mimpossible to prove fraud unless someone comes out and admits that they filled out someone else’s ballot.
Signatures. But given that, potential isn’t proof. And to overturn, proof is needed. I think we knew x ballots fell under potential. That’s a lot of money and angst wasted. Unless the goal was to get back door access for future elections.
... if you don't have a brain. There. Fixed it. The fact is that the ballots in question far exceed the appros 12k difference in the Presidential race. Even if it's possible to pare the number down.