The problem is that this overthinks the problem. There are basically three classes of people in play here: - The jokesters that manipulate the vehicle with a f

The problem is that this overthinks the problem. There are basically three classes of people in play here: - The jokesters that manipulate the vehicle with a foot or something. There are very few of these in general, as there really isn't a benefit to the operator. - The sleepers - These seem to be happening too often with Teslas. It seems like face/head tracking could fix it. - The movie watchers - These can trivially defeat both the eye tracking style approaches and the possibly a camera based approach as well. - The unfocused, tired, or otherwise slightly distracted. This is by far the biggest group. To maximize safety, these things need to focus on shaping behavior, not on stopping determined and willfully dangerous adversaries.