Re "The video of the bare-breasted lady was sort of funny, like some comedy routine gone sideways.":
I know what you mean. Another difference is that the woman - typical of the narcissistic, exhibitionist types that gravitate towards fringe protest groups - is ALONE. That gives her a certain respect. She's taking on the establishment without (visible) support. ;-) The other video is the scary one as it shows typical mob mentality. Mobs = a consciousness-lowering environment. Something creepy - maybe satanic - about their behaviour.