one is tied to a deragatory word, the other isn't. i'm not suggesting they have to blow it up, but certainly have to change it a little. the one confusing part about this is the fact synder doesn't want the revenue from new uniform sales.
My guess is the issue is just dealing with a billionaire's ego and him not liking being told what to do. Just my 2 cents.
If they were smart, they would make like FSU the University of Utah, and directly work with a tribe to come up with some political cover or reasonable modification. That is all they have to do if he wants to keep it Native Americany.