Stick your head in the sand at your own peril. 45k votes different in key districts and Trump would have beaten Biden despite the abject failure of Trump to deliver anything to the average voter.

Polls in 2020 were off by more than in 2016. Gerrymandering is getting worse, not better.

Thinking, "there is no way we can lose" was one of the key factors in Clinton's loss. You'd have to be an idiot or deluded to think it can't happen again.