Adventurism works
Removed by modAt least when the target is generally regarded as evil by 90% of people. Just look at the front page of reddit, it's wall to wall shitting on UHC and being oddly supportive of violence for civility liberals (i'm assuming the astroturfers don't have a coherent line yet)
Furthermore, there's the potential for these ghouls to simply hire a ton of security, etc. Now, against a true mass movement no amount of security will save you, but there's going to be diminishing returns on this kind of action very fast.