Part of the issue is also that SE introduced their own official forums, so players no longer have to rely solely on sites like ZAM for their community building efforts.
and that site has plenty of drama threads that keep the people posting and coming back, hitting F5 and building strong community. Where as this site has none of that anymore, because a little over a year ago the circle jerk decreed it.
The two sites are vastly different.
On this site, generally people that don't know what they are talking about:
(a) get ignored (e.g. "I'm posting in the WAR forums, I'm a 37 WAR, my job is too powerful."...wtf?);
(b) get corrected (e.g., "CoP is so hard, how come they couldn't make it easier"....uh they did?);
(c) get advice (e.g., 1,073th I just returned thread, how should I do XYZ).
On the "official" forums, the developers tend to cater to the lowest common denominator. Instead of the above, this is what happens:
(a) "Sure, we'll look into nerfing WAR. It must be needed since a brand spanking newbie without one limit break to her name said it...";
(b) "We are considering other ways of making already EZ mode content even easier";
(c) "Since new people are returning, we must take away good things like Embrava and PD from the players who have already done everything else. Instead we give you Evoliths. BARRANCE!"