Oh of course, every group without fail will attract some crazies and assholes, that's a given. However, the ratio of assholes to decent people appear to be an overwhelming majority in regards to Antifa and the opposite to the Proud Boys.
https://crooksandliars.com/2019/08/man-becomes-internet-hero-walking-middle
I can't help but wonder if it had been reversed and it was a Proud Boy walking through a group of Antifa saying "Fuck you," to each one, how quickly he'd be beaten over the head.