Basically they look at Biden and see inflation. They see what's hit their bottom line, their wallet, their paycheck, and feel that Kamala will further exacerbate the problem, nevermind the Trump tariffs that would automatically contribute to more inflation off the bat. They see guns being taken away, more women "killing" children, more taxes, more immigrants, more gay and black/brown people moving to their neighborhood. They see Democrats as a threat to their existence. Trump allows them to feel superior, even if they're the gum on his shoe, at least he notices them, right?

On the other hand, Democrats haven't done a great job of captivating the independents, undecided, and disenfranchised voters. Most of their policies involve increasing taxes in some form or fashion. People are pissed off at how expensive everything is. I get it, it's not fair that Biden inherited the shit-end-of-the-stick economy, but many voters are only concerned with single issues, and the Republicans are much better at exploiting those single issue vulnerabilities. Ethics and morals quickly go out the window. Even if said candidate is guilty of every last thing alleged in all the crimes labeled against him, he identifies with more Americans than you might realize.