Are you being deliberately dumb? The 'n-word' is said all the time in the first season of 'The Wire' by the policemen regardless of their skin color, so either present your analysis on how it's necessary in the show for police force of all skin colors and ethnicities to be casually racist, or fuck off. I don't have a craving for arguing with a person who's either stupid or purposely pretends to be so.
if you’re writing a realistic, gritty show, it might include that word.
Or so a show set in Baltimore can be casually racist, but there's no chance there were ever racist people in Los Angeles, where 'Pulp Fiction' is set, oh no. Only Baltimoreans are entitled to be racist and can be depicted in media as such, not a film from the West Coast, fuck that.
You seem to be a living embodiment of the 'double standard' concept.