I suspect a lot of people don't realize they disagree with that. People are constantly clattering all over new MMO forums asking that they "kill the trinity" because they want to be able to "do it all" and "because it's archaic". TOR got hit HUGE for not having cross-server queues for multiplayer activity at launch. Sure, players still want to group with other players for stuff (I mean, it's an MMO right?) but more the way they group up in COD (where it's just a chance to show off) than actual community building from more traditional online games.
We've seen the effects of that design philosophy, though they're blamed on just about everything from "epic gear isn't epic" to "content used to be hard" instead. The reality is that cross-server queues made groups more available, but it also prevents new, meaningful connections from being made. At best you're going to make a friend for a 1/2 hour. Ultimately, playing along-side the same people day after day and depending on them to perform necessary actions your character is completely incapable of keeps you coming back to a game the way faster queue times never could.