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Comment by _ea1k | Hacker News Reader

Tesla is not a self-driving car at this point. The fact that people rely on this as the primary means of breaking is completely crazy.

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When you only have to brake in 1% of the use cases, and the "Autopilot" handles the other 99%, is it really that crazy that a driver does not instinctively recognize that 1%?

Or is it crazy to expect a user to be able to react instantly to the 1% use case?

This is not very different from any normal car with cruise control.

Perceptually it's very different. And it's perception that matters a whole lot here, unfortunately.

A normal car with normal cruise control does not keep itself in a lane. Nor does it adjust for the speed of other cars. All it does is make your speed a constant; you still have to steer and initiate any and all braking or overtaking maneuvers.

Some do adjust speed. The point being, neither is a fully automated auto-pilot - the human behind the wheel is always responsible for stopping the vehicle or steering away from obstacles in an emergency.

It isn't a matter of recognizing the 1%. You should be braking for yourself 100% of the time. If you occasionally fail to do so, the car will manage to save you 99% of the time.

It is crazy to see a situation in which you should brake and to intentionally choose not to with a non-autonomous car.

However, adaptive cruise control is not a new thing. Other car brands does not have this issue.

I disagree: Most ACCs have exactly the same limitation.

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