The great thing about the Kav shitshow is that it brought the hysterical mob tactics of the tyrannical left out into full display and they are setting themselves up for another horrible mid term disaster. Don't know about you but I'm up for another round of delicious liberal tears.
What you do in a situation like that (other than leave immediately if there is a real threat of bodily harm) is keep the camera rolling and let them destroy themselves. In places like PNW that seems to be infested by these cretins make sure everyone knows who supports them and show lots of video of cops doing nothing so that the politicians feel the pressure.
If you run them down with your car, punch them, or shoot them you will be instantly crucified in the media as an alt right sympathizer. They are already fully committed to losing the culture war, so the best strategy is to stay out of their way and let them finish themselves.