Honestly, genuinely, what the hell would that even look like? I legitimately cannot picture a solution here.
> It REQUIRES a national level fix.
The US has a national election tomorrow. This requires individuals to vote for representatives that will adequately represent them in this manner. There is an individual role required to make a national fix.
I'd also ask, what to do when those national institutions fail? We've always, and always will, have to rely on individuals. This is both the power and vulnerability of a democracy (even democratically elected republics). It is the individual who votes. It is the individual who stokes or stamps the flames of extremism. Is always has been and always will be up to us. The alternative is autocracy. So please do not pass the buck. You have a role to play here and it is critical. Surely there are solutions that do not require us to go to civil war nor turn to autocracy. We're better than that.
I'm also going to leave this here: John Cleese's (of Monty Python) skit on Extremism. It is worth a watch, even just for a good laugh. https://www.youtube.com/watch?v=wXCkxlqFd90
So this, like so so many issues, cannot be solves by appeals to individuals to change their own position. It REQUIRES a national level fix.