Yeah, and it IS a public forum and anyone can join, and they do. I just don't know that we need to advertise, at least by more than word of mouth, when there are new folk coming all the time anyway.
If 'cliques' form, it's only because some groups of people tend to get on well and chat to each other. I don't recall ever seeing a thread or post saying "don't post here, you're too new", or "don't post here, we don't like you", unless it's obvious trolling and even then many people make an effort to be welcoming. If people don't fit in well to a conversation, they either drift off, or persist and unless it gets abusive, the thread just lives or dies naturally. Even Tea? New faces do come in and out of that, the regulars at the start were different to the regulars now...