If they just sat quietly, believing what they believed, you wouldn't be able to tell they're a Nazi. Speech is often even more dangerous than physical violence, so we should do everything in our power to stop nazi ideas from spreading.

I told a nazi to eat shit and die

Perma banned immediately

this. "for their believes" definetly no. If you can keep them from doing horrible stuff it can be considered. Violence needs negative sum violence. Otherwise its bad. That's the lefty imperative imo