warriors were way overtuned
Pretty much this. In theory it was a good model, but the problem was earlier on warriors were way overtuned, a couple other classes as well, then they got nerfed hard. And of course, once Dragon Soul dropped if you were a raider with legendary daggers/cunning/that stupid aoe wow gold fr pve caster trinket then you had a huge advantage/couldn't play if you didn't have them.
If we go back to the cata model and keep the current system of excluding ridiculous PvE gear in PvP encounters then hopefully it'll be a major improvement.
The main issue will be again if some classes get overtuned and just wreck people.