I never knew there were suppose to be in the Game Den. In fact, I remember having asked the same long ago, and being told that Hellfire were the heart of the bar, so to speak.
I completely understand the logic, but I think it is a bad idea in the long term. Those threads become hiperlong, and as they are cleaned every week is not so bad, but if they are going to be there for a month, they would become very heavy.