CBS fought very hard on this because it believed and believes that there's a principle at stake here. The principle is that Dan Rather doesn't work for the police, and that people that speak to Dan Rather understand that he's a journalist and not a police agent.
“Well, I always had a chauffer, because I have never driven a car in my life. I still can't drive.”
“The type of fig leaf which each culture employs to cover its social taboos offers a twofold description of its morality. It reveals that certain unacknowledged behavior exists and it suggests the form that such behavior takes.”