Does it matter? They are functional and safe enough for most sunbelt cities. We may not have FSD from day one but what we do have is leagues ahead of what's possible 5 years ago.
What these failing companies are doing for almost 15 years now is 1 step forward, 3 steps back while promising they are 6 months away from the impossible. A.I. is only pattern recognition software statistical tool, that has zero capability of learning by itself from previous experience, and that shows you how any business designed around updating the constantly changing environmental data required to make the robots operate at a decent level, is prohibitively expensive.