Quote Originally Posted by Lambdafish View Post
Shield bash being on GCD makes it by far the strongest stun in the game. No other job can stun lock, as their stuns have cooldowns, shield bash does not. This is why it was not removed, as it is a far stronger ability than low blow
While this is true, how often do you need to stun a target twice? not very often. Oh and there is also the detail that it actually breaks your current combo.