I think that is the problem Raymo, the new system would appear to be designed to catch a pitch up event prior to when an autopilot would detect a rate of climb. AOA is the more critical measure though given if it pitched up enough and quickly enough to stall the aircraft there won't be a climb to detect.
It just goes against everything I thought about aircraft design (As the interested layman so to speak) for something undeniably safety critical to rely on a sensor without redundancy. A system that could progressively trim the plane nose down to the point that a pilot could not raise the nose without correcting the problem first could only be seen as safety critical.
I am still staggered that this was a system anticipated to act in the background without the pilot necessarily even knowing it was happening, to make the plane "Feel" like flying the previous generation version.
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