Self driving r&d is rewarded in stock valuations. First, because you can create great looking demos and hide the real difficulties. Second, because you can sa

Self driving r&d is rewarded in stock valuations. First, because you can create great looking demos and hide the real difficulties. Second, because you can say you will be selling trips, and have network effects,which seems to be a much more profitable proposition than selling robots. Can you build a similar story for domestic robots ? It would be much harder. And without that, you can't invest long term. So robotics is advancing incrementally.