Originally Posted by
Freedom
WoW was never really underground, but it's got a much more developed online community than ten years ago. Players no longer need to explain things to people. It's been "found", and people have made livings off reporting on it. With the huge number of websites dedicated to it (in particular WoWhead, MMO Champion, Curse, etc), it's easier to tell someone where to look something up rather than spend time explaining things to them.
That being said, the tolerance for failure seems to be low right now, but it's always that way towards the end of a tier/expansion. People might not have kicked you for bodypulling Gragga on HFC's release, but they do now.