Predictably Irrational has a good take on this (Social Norms vs Market Norms). One of it's key points -- once you've changed from a Social Norm to a Market Nor

Predictably Irrational has a good take on this (Social Norms vs Market Norms). One of it's key points -- once you've changed from a Social Norm to a Market Norm, it's really hard to change back.