People who ignore their threat guage

[Jamillion]

Option B: Ignore the DPS that keeps attacking a different target to the rest of the party and let the monster eat its face off.

They soon learn.

That's called being a crappy tank. I main Warrior and I despise tanks that fail the job they queued for then act like it's not their fault. Mark your targets if you can't hold AOE hate, no one wants to play the guessing game.