"Average" people are not literally an average of all the people, they are individuals. The decisions the author is talking about are personal decisions, and at

"Average" people are not literally an average of all the people, they are individuals. The decisions the author is talking about are personal decisions, and at some level you have to believe that being yourself is going to benefit the world more than trying to be some bland character who makes all decisions in reference to society. For example, maybe you start a business for a niche market you happen to be in. It's more like a way to counteract lots of social conditioning.