It's not politically correct to use ethnic slurs.
James is standing in line at a fast food restaurant when a black man cuts in front of him.
James wants to confront the black man who cut in front of him.
James tells the black man who cut in front of him to go to the back of the line, since that would be fair to everyone.
James tells the black man who cut in front of him to go to the back of the line, then calls him a racist name.
The other people in line at the restaurant are pleased when the black man goes to the back of the line.
The other people in line at the restaurant are upset and offended and regret going to the restaurant.