What if Don Bluth stayed at Disney?

We all know that Don Bluth was originally a Disney animator who later left to make beloved classics such as The Land Before Time, An American Tail and the Secret of NIMH but think about this. What if Don Bluth stayed with Disney? What films would he have made with Disney? What Ideas would he freshen up with the Mouse House? Would he be the head of Disney Animations?

1980s
TBD