I would suggest that perhaps there were both - Antifa & stupid, Trump idiots craving a fight - that has ruined a perfectly good "protest" that will now be held against any Trump supporter for years to come. They've destroyed the ability of anything good to come of this. Stupid is as stupid does. Trumpites must understand that they lost - that the GOP were wimps (likely part of the SWAMP) who refused to take the necessary steps to ensure that the voting was done correctly BEFORE the election, (no rule changes by individuals as opposed to the legislatures for example should have been allowed) and even tho' they new there would be shenanigan's, did nothing to stop it. Too bad, so sad. Now they'll have to live with what has happened. I don't imagine anything good will come of this and the corrupt will continue to prosper at the expense of the public.
I just hope most of what has happened doesn't spill into Canada since some of it already has & considering the current government, I suspect more of it will happen here as well. Guess we'll have to wait & see.