This should be posted in the Suggestions section of the forums.
But to answer you question, probably because there isn't enough interest. They don't start sections of the forums until they feel there is enough interest in a subject to create them. And since i've rarely or ever seen such a request then they aren't going to make it. Even sections that seem like they would have a lot of use don't get used very much. So a subject that's had almost no interest shown sure isn't going to be heavily use.