This happened today.
Tank <----me: ok guys, this boss spams out randoms AOE's, if you find yourself standing in a large red circle, move out of it.
DPS: (silence)
Healer: Good to knw, I've never been to this FP before.
First AOE Healer doesn't move out of the big red cirlce on the ground.
Healer: ZOMGWTF!!! FAIL TANK JUST FAIL! YOU NEVER SAID THE AOE WOULD TARGET THE HEALER!!! GO BACK TO (insert other game here)
/drink