A lot of WARs, DRKs, and GNBs are voicing frustration of their job of choice's position as a designated off-tank in FFXIV. Functionally, these tanks are going to have to take damage and be able to tank just as much as the main tanks will. There's too much single tank content and too much content that doesn't enforce a strict role adherence to complete that they can't. Additionally, the split is similar to the pure healer/shield healer split, but the healer subroles are named after a part of their function rather than on-the-fly player behaviors that carry baggage of what the term means with them.

Since PLD and the new tank are going to specialize in reducing damage by buffing themselves and DRK, WAR, and GNB are going to specialize in reducing damage by debuffing the enemy, I think the role split should be named Buff Tank and Debuff Tank. Hopefully this will mitigate the bad feelings currently going around and the inevitable arguments that will arise when a DRK pulls instead of a PLD or when you pair up with a GNB for dungeon.