In other words, you have less going for you in ALT2 LAW than you do in Direct law. That is anything but graceful degradation of the system. They ought to call ALT2 law the "You had better be a good stick" Law.
Graceful degradation is like AM (air band VHF, SSB). Accelerated degradation is like FM. Up to a given decaying threshold the Signal to Noise ratio is excellent. Below that, worms invade and...
Soft limits x hard limits comes to my mind...
No bias against A comparing to B. Just a comment on something important in design concept.