I think as "official" forums, everyone knows/expects that Square Enix will be monitoring every section and as such they're leaving suggestions all over the place. I think if there were a section just for suggestions then stuff would get lost and buried. Whereas right now if you want to suggest something for say Dancer, it'd be easy to find the area to post it in, and it'd be very easy for people to look up.

I'm kind of on the fence for having a suggestions area.