The source of wealth is from individuals with little or no history of interest in the game, who have happened upon football as a means of serving some hidden agenda.
The law limits anyone from serving as president of the United States for more than eight years. And in my opinion - well, eight years is also long enough for an individual to serve as a representative for a specific Congressional district.
Individuals don't win in business, teams do.
Serving others prepares you to lead others.