However, on the highway it is very useful and the car can drive for hours without intervention. In the city I've had more than half an hour of uninterrupted complex traffic navigated successfully. But the usual is something stupid every 4 or 5 minutes.
I believe Tesla at one point had to contend with a lawsuit regarding its autopilot feature. The suit claimed it gave a false sense of security to people who assumed the car was fully autonomous.
There have been several accidents and even some fatalities resulting from people who were quite frankly, being morons. They would video themselves in the backseat of a Tesla that was on autopilot. And on one occasion it resulted in a death because the "driver" was in the backseat and a large truck pulled out in front of his car.
Personally, I don't think there was any flaw on the marketing of the feature. Autopilot in airplanes is the same thing. It is limited and is not a replacement for the pilot. It is, for the most part, "cruise control" that can be leveraged. And autopilot along with similar features on modern day cars are basically just an augmentation of the existing cruise control functionality.
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