Hah, this is absurd. Warrior is fine for tanking as long as the target is a single enemy. They have no reliable crowd control.
Too many people are taking on the mindset that Warrior's circumstantial ability to tank certain mobs and do great damage at the same time equates the be all go-to for tanking. I even had a guy in a Cutter's Cry party say today, "Gladiator? You're wasting my time...". Sad.
I'll take a Gladiator/Paladin over WAR any day. Simply because it can do everything Warrior can with the exception of raw damage, and do it better.