He was a class traitor simple as. Many people operate against the benefits of their own class. Just as some of the underclass will sell out their fellow workers for a portion of the loot, some of the ruling class will act to dismantle the system of looting. While class is important, it is not the end all be all to understanding a person.

Also the unfortunate truth is that most people who are going to be able to gain a stronger theoretical understanding of capitalism, economics, philosophy, etc. require leisure time in order to do that. And leisure time requires money