As long as that stupid dps sheet is about in groupplay the dps-figher will be preferred although the tank can provide more easy and relaxed runs. Look at the preference for bulwark sets instead of captains which gives so much more damage to your group. Egoistic gaming at the best. DPS-sheet really has to go.
Why not making it so that set items only unlock their setbonuses and all other items only getting an upgraded GS-score after doing a certain run of dungeons? This way you have to earn your right to enter in dungeons and the economy is still thriving.
Maybe instead of crying about no endgame, people should play the game. All I see when I join a T2 dungeon is people doing silly things to skip content. Those people better buy their stuff from AH and be done with it.