Because this is a small space, people know each other better than on other forums. Because this is a small space, people have more history than on other forums. This may lead to bizarre eruptions of vitriol, or it will more likely lead to chummy in-group in-jokes that you don't get.
To get more of the latter than the former, try your hardest to assume that the douchenozzle on the other side of the screen didn't mean to be that offensive and remember that when you stop talking to someone, it makes things awkward for other people.
the most awkward-causingest mutherfucker on the site