Airplanes don't land in trees either. If you want something capable of driving down a street, you need something that can navigate and interact with the enviro

Airplanes don't land in trees either. If you want something capable of driving down a street, you need something that can navigate and interact with the environment at human scale. An approach that would work, albeit slowly, is the one I outlined. The current model of trying to push something out NOW so we keep the stock price up, clearly hasn't worked, nor is it likely to.