Quote Originally Posted by Ynna View Post
If people don't change, they don't complete the harder content. So they can suck it up. It's up to the community to make sure everyone gets this. If people are being dicks in your group, start by calmly explaining things have changed. Otherwise, kick them from the group.
The keyword being "community." Anet has stated they want to build the game for the community to interact.

What you said is exactly correct. It's up to us as the community to not validate this kind of behavior. It is up to the community to help ease in players who are not used to, or worse resist, this new system of group play.