Ahm the aliance kinda raped our capital.. Destroyed our elite Kor'kron and are lorewise depicted as being stronger than the horde.. Heck they are going to retake gilneas and almost blockade sylvanas in undercity..
Game play wise the advantage wount be great but from a story prespective you could say it's kinda messed up for the horde player.. Expecialy when the horde so far lost all the wars it had with the aliance..
- - - Updated - - -
You cant really compare the achievements Thrall did over his life time with Voljin.. Lol..
Both quest wise and just story wise..