Group membership doesn't have anything to do with minorities though. You can define groups however you want, so a "minority" is entirely dependent on the context of the situation and just as subjective as the hate speech. So who are you considering minorities and what is this anecdotal data that claims they did not participate in forums? Must every forum be welcoming to everyone? Did no other forum exist? Could they not have created their own forum? If they talked to each other, does that mean a forum exists? And if so, doesn't that mean they are free to engage in their own discourse after all?