Bronson Diffin wrote:
I think asking your instructor to teach something specific would be received better than asking your instructor to change the way they teach
That's probably true, but I think discussing that rather than silently leave the dojo is the best way. At least give that a try.
If this is said tactfully and politely by a person well know to the teacher and respected in dojo, in the best case scenario that will correct the situation, in the worst case sensei will ignore it or tell that he can't change himself. In any case I think it worth to try.