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.
“Do you know what directors go through? It's just hell. Like, why do I work so hard - to think I'm only going to see this movie five times and then never see it again 'cause I'm so sick of it? What is it worth, honestly?”