You’re right that Uber and Lyft exist as solutions; I don’t accept cabs as an equally good solution since uber and Lyft’s user experience is way better.
Self driving takes Uber drivers out as the middle man and allows prices to go to 1/5th the current cost; so that is an even better solution, which IMO is a real difference from Current Uber and Lyft.
Yeah, I don’t believe Tesla’s doing self-driving the right way, but I still think the industry itself has a worthy goal.