I personally find it fascinating someone would look at Trump and Biden in 2020, after the pandemic, round of tax cuts, gutting of the civil service and general demolition of America's reputation among it's allies, and still vote for Trump.
Maybe it's just me but in my experience, both online and in real life, is that the one unifying motivation for supporting Trump over Biden is a shared dislike of 'the other' - whether that be minorities/immigrants, trannies, 'the left' or ((('the elites'))). Anyone who isn't in the 'in' group is part of the unifying enemy. Let's be honest, Trump voters generally don't come across as policy-driven in terms of their primary consideration.
It was just a brand of American fascism which luckily enough people could see through.
Just my 2c.