I have some good news for you then. They show up in 8.3 at the Durotar shores. You can see them here:
https://imgur.com/KNI3uGY
https://imgur.com/YIgTW2f
https://imgur.com/eTYxyAr
It looks like blizzard is having them help the horde similar to wildhammers and since they will probably be a custom option, it is practically the same as if they become an allied race. Minus gilgoblin druids, racials and heritage armor. But there is all ways to mitigate this.