The thing is, the five branches of philosophy (metaphysics, epistemology, ethics, politics, art) aren't neat little boxes. If I create a Philosophy subforum, I create a place where people can jump onto a political high-horse.
I'd want to make it a rule that no one can post without downing at least two shells, and no one can post disagreements without downing at least three, to make sure that we have enough Calm Detachment between the person an the position. This is much easier said than done.
I did have the pleasure of being drawn into a political discussion yesterday. Because of how krunk I was, and because I am still viewed as an outsider (a.k.a. "Phil the Greek") by Her Royal Majesty's family, I didn't go into what I realized during the hour-long tirade about gun ownership rights - that the Harry Potter series is about gun ownership rights, and in fact in The Prisoner of Azkaban J. K. Rowling goes so far as to refer to a gun as "a sort of muggle wand." Since kava does open up our minds to as my distant relationship Prince Hamlet referred to as "more things in heaven and earth."
Here's what I suggest. When I asked Vesuvio Cat to create a Medicinal Use of Kava forum, it was because it kept coming up in the miscellaneous forum over and over again. In fact, I believe the most recent Xanax thread was created in this forum although the Medicinal use exists.
If anyone wants to go off onto a philosophical tangent, then go for it. If it turns out to be popular and polite, I have no problems creating a subforum. If it turns to be a bloody mess, I'll clean it up and request that people keep their philosophies to themselves.