It matters a lot, actually; when you recognise Trumpian fascism as the product of domestic, structural, problems, you can make the kind of policy changes that reverse the slide into fascism. But when you blame all the countries problems on the sinister machinations of perfidious foreigners, you’re just going to end up rushing even faster into jingoism, militarism, and McCarthyism, which will ultimately only accelerate the slide into fascism.