Independent validation. It's not unheard of in manufacturing for random parts to be selected for testing to ensure compliance. In fact, I'd be surprise if thi

Independent validation. It's not unheard of in manufacturing for random parts to be selected for testing to ensure compliance. In fact, I'd be surprise if this supplier could get away with the same fraud with GM or Ford. One of the side effects of having suppliers design just barely adequate parts is the need to rigorously test that those parts cut only the maximally necessary corners, and not one more.