[aaaxyz]

>airplanes dialed back the functionality of autopilots to prevent pilot complacency.

Or maybe because the potential for disaster is too great, like the 737 max attempting to nosedive into the ocean because of a single sensor failure.

[fiddlerwoaroof]

This is a well-known issue: when automation gets good enough that the human in the loop starts to get bored, it can be more dangerous than either “all human” or “all computer”