I would suggest you actually go read The Wealth of Nations. Fascinating read. Then go take a look at who Adam Smith was, the conditions he lived in, and the world he lived in. Because while a lot of people are TOLD about adam smith, it is frighteningly few who read the works or study the history to which it was written.

We haven't had the Capitalism that he wrote about for the better part of 200 years. What we have is a system that protects ever fewer corporations through protectionist policies that allow for monopolies to be shielded from competition. This is functionally what the extention of Copyright Law has enabled.