Earlier quoted context omitted.
Additionally, the effects of the anonymity that mobs naturally provide even without the influence of leadership should not be ignored. I love anonymity, I really do. I think the ability to have it is vital in any free society. Even so, I cannot deny that it has its downsides, and lowering social inhibitions is one of the more serious ones.
But what do the nazis and the [x] have in common that we dont here? isn't the answer they had dictatorial/failed states? You can counter-example us southern lychings but that seems to be the exception that proves the rule. the demos in western democracies is not the mob of the [x] street. [edit: subject is mob violence leading to murder, etc]
It is one of many aspects that can contribute to violence in situations like these. I wouldn't say it is even a primary cause of the violence in this particular case, but I would say it plays a role.