He'd have united azeroth under the gentle but iron fist hegemony of the mogu, kicking out all nasty stuff like demons, undead and old god goo. Azeroth would have prospered in a new age of wondrous prosperity and peaceful global dominance of the titans.
Pros:
He has two named weapons with flavour text
His crown is crackling with lightning
Mogu electricity generators to power Azeroth!
Barechested
An humanist alternative to the depredations and decadence of the horde and the alliance