This fails the Reasonable Person test. Most people on the street are not aviators, and their assumption is that "autopilot = full autonomy", which is entirely understandable.
A reasonable person would not take this to mean that the car is driverless.
So, which is it, Tesla? Is hands off wheel allowed, or not allowed? If it's not allowed, why do you program your sensors to tolerate the situation?
It used to allow you _fifteen minutes_...