Golfers call their own plays. Golf lessons don't include tips on how to break the rules and get away with it. Golfers don't hold out for more money, or demand new contracts. Golfers don't get a per diem and two seats on a chartered airplane when they travel from one tournament to the next. Golfers don't do everything possible to disrupt the play of their opponents.
Golfers do their own laundry.
Golf doesn't have a 3-stroke shot. Golfers don't lobby to get something they haven't earned with their clubs. Golfers don't claim that it takes exceptional intelligence to play their game well. Golf doesn't change its rules to attract more fans. Pro golfers don't have bodyguards or entourages.