Then it would go along the same lines as saying that everyone has a right to say that they DON'T like it when they wear their hair like that. Freedom of speech, correct?
Besides, these guys are supposidely 'professionals.' They make millions upon millions a year and WE pay their salaries. I don't know about you, but as a professional myself, I am REQUIRED to conduct to dress code. Which means, no hair hanging in my eyes and to remain properly groomed. Now, facial hair isn't outlawed, although they want you to maintain it at a reasonable level.
Oh well. Guess you can't be satisfied with everything.