Park rangers, all the fire departments, normal people who try temporarily route traffic around something unusual like a crash, animals, hazardous conditions.
And to detect when someone is doing a prank or just a homeless guy yelling and waving their fist at cars etc
One of the original overpromises from Musk was that you could definitely totally summon your car from NY to LA and it would magically drive all the way, next year, for sure.
Yeah, because if it understands hand gestures, it totally won't be used by criminals, directing it to a chop shop where they can disable it and cut it to pieces. What are you gonna do as the owner?
And to detect when someone is doing a prank or just a homeless guy yelling and waving their fist at cars etc