Globalization is not in itself a folly: It has enriched the world scientifically and culturally and benefited many people economically as well. - Amartya Sen

Being smarter may help the understanding not only of one’s self-interest, but also how the lives of others can be strongly affected by one’s own actions.

The behavioral foundations of capitalism do, of course, continue to engage attention, and the pursuit of self-interest still occupies a central position in theories about the workings and successes of capitalism. But in these recent theories, interests are given a rather different—and much more "positive"—role in promoting efficient allocation of resources through informational economy as well as the smooth working of incentives, rather than the negative role of blocking harmful passions.

To what extent reasoning can provide a reliable basis for a theory of justice is, of course, itself an issue that has been subject to controversy.