The "Autopilot" on planes is a lovely technical distinction. Hardly any non-aviator knows the details, and the common idea is that the plane pilots itself in most phases of non-emergency flight. And indeed, some autopilot functions can even auto-land according to the flight plan. But there is a bit of wiggle-room there to say people should expect to pay attention.

Tesla's "Full Self Driving" leaves no such room. The only exception would be to consider Tesla to be lying.

"Full", adjective Containing all that is normal or possible. "a full pail." Complete in every particular. "a full account."

That's just the first DDG search. Go to ANY other dictionary and show me where "Full" in ordinary American English usage means anything other than complete, no exceptions, etc.

"Full Self Driving" literally means "It FULLY drives itself".

It does NOT mean "You and the automobile co-drive the car", or "Mostly self-driving", or "Sometimes self-driving", or "Self driving until it can't figure it out or fcks up", the latter of which seems the most accurate.

If Tesla had called it ANY of those other things, they would be fine. And would be honest.

But instead, Musk and Tesla decided to lie in plain language. And for that, they lost the case, and will likely lose many others.

For some people, honesty matters. And honesty is not splitting hairs over differences between detailed technical meaning vs colloquial understanding ("autopilot"), or using the end-goal a decade+ away as the official name and description of the feature set ("Full Self Driving"). That is dishonest.