I'm not from the US, so I don't care about your founders.
History books, and biology as well mind you, actually say that the actions of a group of individuals working together have more power than those of individuals working alone, and in any coordinated effort there is a subsection of the group that takes care of the whole and marks the pace. Throughout history the civilizations that managed to thrive and leave their mark were those whose governing body was efficient and effective, and there's no denying that. You may be able to wrangle your friends and coordinate them without a specific administrative role, but try doing that with a group of people surpassing the hundreds of millions and you will have a problem.