I admit it: I'm a contentious person. Sometimes I deliberately say or do something just because it will irritate people. Usually, I try and use this power for good and I'm hardly pretending to be the most effective person at it even out of people I know, but the other night it worked out rather beautifully. I decided to go DPS a random because I was bored and wanted to play around with DPS ideas I had. Namely, if it was worth dropping some hit and expertise to hit 80% passive ArP which I could just barely do and I wanted to test it in a setting where the hit and exp caps were lower than in a raid where bosses are effectively level 83 since in heroics the highest level you'll face is an 82 boss. So I hit the queue, waited the 35 minutes (it was fairly late and close to server reset) and got a FoS pop.
As soon as we get in the tank says he's never done it before and do we think he should drop the group. We all try to be reassuring, since everyone's had to start somewhere and his gear was certainly good enough for a heroic. Then the first pull began and we quickly learned that he wasn't kidding about having never done it before and that the answer he was actually hoping for was that someone else would tank, because he clearly had no idea what he was doing, period. Furthermore, he was ridiculously hyper-critical of the healer (who didn't seem to be having any significant issues healing the group) and would go on long tirades blaming the healer for not having healed him at all when the healer was clearly dropping heals on everyone in the group including him. Drop to 90% on a trash pull because you ran up the ramp out of LoS? Yell at the healer. Take damage from one of the ghostly skulls and not get healed to full before pulling the giant skeletons? Rant at the healer. Frankly, I have no idea why the guy took it.
Finally, after the last pull before Devourer of Souls, where he deliberately went and chain pulled three of the Spectral Warders despite the healer having said OOM and then blamed the healer for letting him die when he had a 75% healing reduction debuff and the healer was out of mana, I'd basically had enough.