> I don't see why the driver of a car with any kind of semi-automated system should be held to a lesser standard.
Because the driver didn't receive any training from the manufacturer. Airplane pilots, in contrast, receive a ton of training right down to how to fly a specific type of aircraft(single-engine, twin-engine, instrument flying, etc.). Additionally the manufacturer will provide training to pilots on how to operate any nifty features of the commercial aircraft.
I don't believe Tesla provides any training whatsoever on how to use these features. And I'm not aware of any mechanisms preventing untrained users from activating these features. A tutorial that you can click through does not count because you do not ensure rapport with the trainee like you would in a person-to-person training.
Back when cars were being commoditized the dealer would often provide training to new drivers. And in all states new drivers are required to take a practical test to demonstrate that they are competent to drive. Does Tesla require their users to prove any sort of understanding or competence before they unlock Autopilot?
You might argue that requiring training sets a dangerous precedent, but users need to be made aware that the driver assistance systems are not foolproof, and the only foolproof way to do that is to require them to attend a training.