Just “peaceful protestors”

Yeah, sure pal. Always be recording.....

Trying that at a residence/business (don’t say it can’t/won’t happen) will result in lead bullets instead of rubber ones. If these people are doing this in an area in which you live or are at your business, record everything and do not engage them unless your life is in danger (Or property, depending on local laws). Act accordingly. It’s not worth the hassle defending state/federal property, though. Leave that to the feds/local governments. Take care of and protect yourself from these vermin, but don’t go looking to start a fight, especially if you’re outnumbered.