Absolutely. Modern life as we know it cannot exist without strict compliance in certain industries. At the risk of being a smart ass, it amuses me that football could be lumped into those types of industries where compliance and discipline are crucial.
One of the easiest and hardest parts of management is maintaining fairness.
Regardless, when you are employed you have a responsibility to abide by the terms of your employment. If part of that contract specifies you adhere to certain rules, you are not excused simply because you are a highly paid athlete. We have a whole culture of people who have been raised to believe they are above the rules the rest of us mere mortals must follow on a daily basis. This same culture then rewards those who break these rules by assigning a special status to them as though they are courageous heroes on the forefront of social justice issues.