Exactly. Having different methods of preservation make pretty much any apple result usable. True, if it tastes bad that’ll get culled, but the root stock could still be used.
The things that make me curious about root stock reminds me of the white papers that mention how plants that are grafted inherit traits from each other (somewhere else in the forum mentions this… goji grafted onto tomato?). Is it possible to inherit bad flavor from yucky root stock? 