they did anyway, gilneas and kezan both get destroyed, and can't be reaccessed.
azshara isn't a starting zone, it's a 13-20 zone, worgen have to go to darkshore afterwards, it's not balanced, would people have been ok if the ghostlands weren't included in TBC? no, then shut up about not QQing, you can still quest in azshara, in gilneas, you can't