I never wanted to reach this point, but I feel the game is at a stage where its silly it hasn't done this. The game already has just about every race/class combo on display somewhere and Cata already gave us fucking land defiling shamans with the goblins. Shit's already sailed.
@felcookies
I've been a tauren rogue with eng malfunctions and they looked fine to me.
Also they exist in the game! Its really not a big deal. Its magic anyway. The hooves thing is a meme.
@Kaldorei_Life
I think for classes that don't require alot of effort it would be great! Paladins, Shamans etc... but Druids on the other hand... you have to make forms for EVERY single race. I could see why Druid is restricted