If you believe economies of scale are truly the key to success, then certainly wind, solar and battery power will be the long term winners. We can scale up to

If you believe economies of scale are truly the key to success, then certainly wind, solar and battery power will be the long term winners. We can scale up to put solar panels on every roof in the world, and batteries in every car. Do you envisage a realistic scenario of having billions of tiny nuclear reactors in every home and car, to achieve similar economies of scale?