Gonna preface this with “I have no answers”- because I don’t.
You’re quite right. On the other hand, however, if they can still vote despite being insurrectionists… they can vote for people who enable and agree with their assholery.
While the entire system needs to be scrapped, I’m perfectly okay with fascists dumb enough to go so far as actual, bonafide, insurrection losing their ability to vote.