One does not have to harass the devs to prove one's fanbase is superior 
I am pretty sure the reason why the thread is less active is due to some of the prominent occupants of the DA2 Varric threads have had lots of changes in their real lives and thus are unable to frequent the interwebs as much.
Notice how Aimo still posts Varric artwork yet rarely drops by BSN. You probably only see her around once in a while. She's currently got Fox & Willow to work on full-time.
Dave of Canada is my age and back during the early incarnations of the threads, we were still in school. Who knows what he's doing now. He might be busy working. (I have a job too but I am self-employed sooooo...) 
There are more superfans that I haven't seen on BSN for a while so that's all I can say.