Never discount racism and misogyny and other forms of bigotry. We have to guard against that shit ourselves. But a theory of politics where nothing else matters and there's nothing to be done is absolutely useless.
People for whom bigotry is their primary motivator should simply be shunned, not courted, because nothing else you do matters to them. So like, the first thing is to get the nominal opposition to stop ignoring this fact and stop coddling these people.