There are bets stacked on top of bets. Let’s say that Tesla does deliver a viable self-driver, something presently only seen in sci-fi, like fusion power has been just around the corner for 50 years. Why would they cede the relationship to Uber when they already own the relationship with the end users? They already bypassed conventional dealer networks. Other car makers in this space do own their own dealers. Companies like Hertz own customer relationships and have experience managing fleets. Where does Uber fit into this world? They don’t.