Do people really think that LFR is the reason for the problems with the community? I can say with utmost confidence that the community has been broken for a long time. Well before LFR showed up. The community that some people speak of, you know, the one from "back in the day" isn't coming back. Blizzard could remove LFR, LFD and cross realm BGs tomorrow and the community won't come back.
Trotting out the same tired old "community" arguments when discussing LFR is pointless.