It doesn't need to reliably predict outcomes for the problem to arise. Imagine there's an obstacle moving in front of the vehicle, which could be a bag blown b

It doesn't need to reliably predict outcomes for the problem to arise. Imagine there's an obstacle moving in front of the vehicle, which could be a bag blown by the wind or a cat or a child chasing a ball into the street. Are you going to write code that treats these cases the same? I hope not. I don't want to be sitting in a car that swerves all over the road for a plastic bag, or one that doesn't for a child. As soon as you have code to identify obstacles and choose among multiple ways to avoid them, then these issues immediately come up.