Few thoughts 1. Is anyone still buying car? May be it's a huge necessessity in US but most of the cities are fairly packed and have good public transport and improving 2. Idea of self driving car will indeed be a big selling point. Still people will pool those and cost of transport in general will come down because of Uber's fleet. Self ownership will still not go up significantly unless idea is to buy for long dista…
Cities like Houston are very much automobile cities. A large amount of the population lives in suburbs not well serviced (or serviced at all) by public transport, aside from park and rides to get into the city. I wouldn't call it good either - the commuter buses aren't bad, but the rail is scarce and feels very risky (https://abc13.com/travel/metro-promising-new-enforcement-too...), and the city buses feel even sketchier.
(I take the public transport into and out of Houston 3-5 times a week)