FFXI's battle system does not allow for complicated fights, it's rather old and archaic.
This is an incorrect interpretation. The *tank* should be the only one in danger of crippling massive damage, the kind of attacks that have DD's now packing 30~50% PDT / MDT gear sets. Average run of the mill damage is perfectly fine for melee's to get hit by, it forces the healers to do their job. If all the melee's are getting hit by massive devastating damage then there is no tank and they should be replaced by another DD.To me, it appears as though you want tanks to be able to not just be perfect at holding hate, but be the only players at risk of taking any damage. To you, it appears as though I want ADL's ability to use 4x terra slash and wipe the whole alliance to remain intact.
We "zerg" in FFXI because it works and has the least moving parts. I see no one in this debate has even bothered to look up what KISS was and why it's so important in the engineering field. The things I mentioned were what is required to make tanking valid again, otherwise players won't even bother using a "tank" and will immediately return to zerging with melee "tanks". I can say this due to having played many MMO's and experiencing many different dungeon / boss battle systems, the problems FFXI faces are not unique to FFXI. Also WoW and DDO, the two other MMO's I'm extremely experienced with (DDO by far the greater of the two), are not "failing" their both thriving.