I don't have an answer for that. I read that kind of post every day, yet at my server (Ahto City) I see constant groups for Heroics (sometimes there's more than 1 group for the same thing, and they organize through the General channel).
I never have a problem looking for people to do anything. Seriously. At all.
The irony is that those kind of posts where here since early access, and my server did not become a FULL one until official launch. Yet, even since early access I've been able to group with my two characters.
This is the reality of my server, and have not seen anyone complaining on the game.
What can I say?