The single biggest problem I've always had with traditional European-style promo/relegation, no salary cap, no draft sporting leagues is the entrenched oligopoly of success.
I don't understand what's in it for supporters of teams that are structurally unable to have success. Or, for that matter, what fans of Manchester Utd or Barcelona get out of 90% of their games.
You won't understand it if you don't live it.
Lionel Messi's been rightfully banned for 2-4 matches from playing for Argentina. Insulting the referee is not to be allowed.
I don't understand what's in it for supporters of teams that are structurally unable to have success.