If someone rallied a hate-mob on 4chan, though, how would people know?
Since 4chan overtly resists it, it'd rapidly move off of there, but it's still a great place to find like-minded folks that'd follow someone to another server to go brigade someone.
Right, “not your personal army” was a quick way to decline to advance whatever doxx was being requested at that moment. Not an actual ethos. They regularly doxxed and swatted all sorts of people.
