Fair point about the batteries. Or, at least I have no grounded criticism. It's not a natural monopoly, though. It's not an OS. As for cars, there are way fewe

Fair point about the batteries. Or, at least I have no grounded criticism. It's not a natural monopoly, though. It's not an OS. As for cars, there are way fewer manufacturers than you'd think. Check out the Volkswagen Group, for example. Usually many brands share the same technical platform, and the parts are made by suppliers like Bosch, which serve all manufacturers that will pay.