These people in the cartoon are answering the question, "So, what do you do?," as in for a living. The guy in the beret pretty much matches who I see in my mind's eye when I read one of Carrol's characteristically blunt, well-wrought posts.
Haven't heard the term "high capitalism" before. What, is that like day trading between bong hits?
Heh, I know. I'm sorry.