Until self-driving tech is good enough that you can safely not have a human behind the wheel it isn’t really anything other than a toy.
As soon as you can remove humans from the equation you can have automated trucks, without even the capacity for a human driver, that’s where the real future is, not in owned vehicles that will always have, by definition, a driver in them anyway.
I think the point is that literally anyone and apparently even non sapient entities, can make a better vehicle than musk can.