Obviously most of the right is against Nazis, but the modern conservative faction seems to draw a much higher ratio of violence and fascist rhetoric than the left.

When something happens, the media gives right-wing fascists the benefit of the doubt; "we don't know who he is", "he doesn't represent the movement", "he was scared", "he was attacked", "he's crazy", and once the proof is out they tend to draw false equivalencies with left.

That doesn't happen as much on the left - it's stigmatized full stop, no excuses. CNN's clickbait news will drag it out