I agree that the name issue is a red herring, but not for this reason. Autopilots are operated by people who are trained in their use, and, for the most part [1], understand their limitations. 'Understanding their limitations' is exactly the issue here.

[1] Following a number of WTF-type accidents, there is some concern that airplane automation has become too complex for pilots to reason about when it partially fails, but if that is actually the case, it raises the bar for all partial automation, including for cars.