So long as folks caucusing among themselves do not attack others ... let them.
Somewhat kinda, sorta, makes sense. Except for the fact that this is the internet. For many people using it to attack others is the whole point. A recent foray into YouTube land finally convinced me of that.
What are the three topics that shouldn't be discussed in polite company because of the potential of, well, "you know"? On the Religion Forum of the Free Republic (a political site) you've just tackled two of them. The Chat section takes care of the 3rd.