I hardly dare to trespass on matters so technical that they are beyond my comprehension (cue voice from the back: "
So shut up !"). But, speaking as one who dates from an era when the only things which worked without pilot input were the clock and the compass, it occurs to me that:
(a) "side-stick inputs are algebraically added" - so were our twigs in former times; keeping an asymmetric Meteor 7 from plunging to perdition was often a two-man (or to be exact, a two-leg) job.
(b) " A Black Box has No Fear of Death" (and it is well not to forget it).
D.