choose any sufficiently populated room on libera chat, join, and start talking a lot without lurking first for awhile and see how the inhabitants react
try going to a pub on a Saturday night, walking up to a group of people you’ve never met, having a conversation, and start talking about something completely unrelated, and see how they react.
what you’re seeing in online chat communities is just basic social interaction reflected online
chat rooms are cliques, almost always
choose any sufficiently populated room on libera chat, join, and start talking a lot without lurking first for awhile and see how the inhabitants react