And my understanding is that the entire world would be a better place if we could all hold hands and sing kumbaya. These are fanciful ideals, but where the rub

And my understanding is that the entire world would be a better place if we could all hold hands and sing kumbaya. These are fanciful ideals, but where the rubber meets the road, there are real tradeoffs with real consequences. The best we can do is make sure that we apply incentives to ensure that people do the "right" thing.