The es&s voting machines last election seem to have been compromised already last election. I have no idea when the law suit will settle and what we'll find out. But there was enough evidence for a judge to accept the case. Plus just from the surface level it seems fairly obvious there was something wrong with the voting there. When the democrat senator wins and Kamala basically gets no votes it's very suspicious at best.
I'm not sure how this wouldn't be a very large concern. I am pretty doubtful that mid terms will be a fair election. This seems to be part of trump's play book all along though. He screams over and over about a false narrative that the election was stolen from him to cover him doing it.
Trump does a great job of being such a **** show that he gets the important things out of the news cycle to move on to some other stupid thing he is doing or saying and people move on.