Mel that is the general thing. If a show does have a large general group of members posting it does get a forum. Given that there are so many members from all over. We all don't have the same shows. Also the same shows may run in different seasons.
Polls are good given that it gives (us)the staff an Idea what shows / actors etc. You guys really want to see here, given that we are all different and into different things.
Most polls coincide with threads. So yes If a poll says we want a (ex.) Hellcats forum then the thread should also reflect the poll.
There are many requests for things and yes some may get what is asked for right away where other things may be put on a back burner. Given there are many members and (we)the staff are only so many.
I promise you that even thou Emma & Maddy are both busy women. It takes time to get everything everything up so when you reply to a poll about a thread it helps. Epically if the thread coincide reflects it.