I was on a run the other night, where the other Healer decided to not do anything, because people were removing the Alliance marks, and they were adamant that they should be there.

Prior to that, the individual decided to have a whine about the fact that they were put into Alliance A, and due to that, they wouldn't be able to manage the Scylla battle correctly (some perceived understanding that there are no flame orb spawns in A, or something?) Regardless, it was utterly ridiculous that said person refused to heal anyone for these reasons, and we wiped as I couldn't manage the heals by myself after getting frozen.