I actually think even autonomous cars that can safely handle "highway" (for some definition of highway) driving in "good" weather (for some definition of good) is a huge win in and of itself. Both for safety and freeing up human time.

What it doesn't do is satisfy the fantasy of those who live in dense cities that they'll never need to own a car or even learn to drive. But hitting the point where a car can reliably drive itself around a chaotic urban landscape in all sorts of weather conditions by itself is almost certainly a much harder problem.