Yeap. Sometimes I think they'd be better of almost completly ignoring any feedback/suggestions as far as design choces go (eg heroic dungeon difficulty, max level content such as dailies, etc), and just stick to what the core team believes the game should be like. Let the ones who enjoy it the way it is stay, and those who don't leave for other games (instead of waiting for the pendulum to swing back to their preferrerd choice in the next xpac), making for a better, more like-minded community.
That would mean less sub numbers if it was not already too late to do such a thing anyway. And it's not like it's black and white in most issues /shrug.
But they should defenitely keep in mind by now that the displeased customers are always the most vocal. Just because no one is praising a feature, while a bunch are complaining about it, doesn't mean the majority doesn't enjoy said feature and wants it removed.