Also, the Dems have done the high-road approach for ages - it doesn’t work. The people voting for Trump and his ilk don’t care about policy or, frankly, logic. They’re either voting for their “team” or because they agree with their bullshit.

moderate Republicans

Those don’t exist though… at least not in terms of the elected ones. The party line these days is to support MAGA extremism; the ones that buck it get tossed out.