Originally Posted by
eschatological
I think the problem with greatsword in PvP is that you want to use 3 (the spinning whirlwind) more for its defensive capabilities, reflecting projectiles, than offensive, but it's used offensively quite a bit. 5 is a great CC, 4 is a good defensive CC if you can see a warrior prepping something massive, i.e. 2 (the AoE melee ground slam) feels a bit weak damage wise but is a nice boon. Auto swing actually hits decently on the third swing, the problem is getting the third swing in.
I really only see Greatsword as an anti-kiting mechanism really. If you want pure damage, 2H mace is going to win every time.