Why do we accept the hierarchy of football clubs?

Another post on some on football-related questions. The first one can be found here. When Liverpool have a decent player, it seems inevitable that they will move to Real Madrid (Michael Owen, Steve McManaman and most regrettably Xabi Alonso),  Barcelona (Luis Suarez, Philipe Coutinho) or perhaps now Manchester City (Raheem Sterling). Why are some clubs […]