First, thanks for such an excellent essay on such a well-chosen subject.
The antidote to fascism--or any authoritarianism--is justice. Justice fails when its material benefits fail to match its non-material benefits.
Today, both the practical, material failures and the conceptual shortcomings of Liberalism--much less the narrower political ideology of liberalism--are being revealed. For justice to triumph over whatever that is that's oozing out from under the cultural rocks these days we need a better idea of how to govern society justly.
Here's one: "Can't Get Any Simpler" (a "2 min read" here in Medium--but not behind the paywall--with a list of links at the end of it, none of them behind the paywall)
People who would be the most obvious targets of evil should be the ones most interested in taking up the challenge, be the first to advocate for a better approach to justly governing society.