It's people being jerks, but they won't stop being jerks if the gearing system changed to keep folks doing only heroics in heroic-level gear.
Originally Posted by NewfieDave
Speaking of heroic-level gear, just got my latest, a rogue, to 80 only to find out that the same heirlooms that took probably a day or two off the leveling are going to add a day or three to being geared enough to not be locked out of doing Heroics based on my heirlooms being ilvl 1 for the random dungeon finder. If Blizz's attunement system was so well designed back in Vanilla/BC days, I can totally understand why folks would be pissed at the idea of bringing them back. : p