Shortage of tanks a myth - thoughts?

[Misha_Snow]

PLD is my main, but I avoid DF because of situations like this one:


I did try to queue as DPS (because I need light for my DRG) but the queue was insane, so I changed my mind and just went with my main. At first boss of KotL, I decided to roll a smoke (30 seconds or even less) which equals to the time to go to bio for some and this DPS starts insulting (in the img red = mean DRG DPS, green = healer). He afked the 1st boss fight and the rest of the dungeon while throwing insults from time to time, then we kicked him right before the last boss fight.