Reliability and performance are not the same thing. No one expects any system to actually cause a problem. The key is how is the performance, when there is a problem.
Two different things. When in a bad deal, what is the performance expectation?
To say that one system is not compromised in its design consideration because a separate system has been present in a fatal, is frankly preposterous. In the vast majority of cases, controls are not an issue. Can controls become an issue? Yes, I would say.
"Climb, then" "But I have been pulling for some time". Right. For some length of time, unknown to the other two crew, PF was inputting up elevators.
Can they have their time back? Request a do-over? What could have been the solution had the PF's yoke been in his lap, visible immediately at any given time?
Rest