Also I suspect private car ownership will dwindle as full self-driving replaces human drivers. In this world (10-20 years from now) future-Uber will own fleets

Also I suspect private car ownership will dwindle as full self-driving replaces human drivers. In this world (10-20 years from now) future-Uber will own fleets of self-driving EV taxis. The company will derive additional profit from acting as grid storage.