Answer
YES it is realistic
This is because there's a reason why we need to be governed ourselves because we abuse power because of self interest
Explanation
James Madison is the one who wrote the first drafts of the constitution of the United States. He co-wrote the Federalist Papers and sponsored the bill of Rights. He played a very importance role in contributing to the overall creation of the constitution. And by this he was considered as the Father of Constitution.
James Madison was of the opinion that that in a small society the people can be "perfectly equalized, and assimilated in their possessions, their opinions, and their passions. He was very much against the abuse of power because of individuals interest.
