Any right thinking person involve in these social media politics who was considering whether or not to pass on an inflammatory quote like the one in question should have gotten in touch with the Antifa national home office through their offical website or phone number, and talked to the people responsible for their public relations to determine whether or not the posting was valid. You know, the ones that can hire lawyers to sue you for libel or fraudulent misrepresentation if you just make stuff up about them.
They don’t have people like that, or even an official spokesperson? They’re fair game then. I guess the little squad of commie rioters in the picture doesn’t have a sergeant then either. Good for them. But might the tools out in the ‘burbs see that photo and want to check on their supply of 9mm and fuel for the generator? They don’t look too friendly.