I think the reality is almost the -exact- opposite of what you're saying.
I think by far the most effective line of attack the Republicans used was the whole 'woke mind virus' thing, and that Harris failed to actively distance herself from.
And for reasons beyond my comprehension, people around the middle fear the extremes on the left more than fascism.
(And people are dumbasses who don't understand the economy but that can't be helped)