He didn't say it. He said someone else said something, without using "that word." He's fired from the company he started.
"The context? It was during a conference, where Schnatter claimed that Colonel Sanders allegedly called blacks the "N-word."
In other words, Schnatter had to resign not for calling a black person the N-word, not for even using the N-word to describe blacks around white people, but merely saying that someone else used the N-word. As of this writing, there was no context that showed that Schnatter approved of Sanders's alleged use of the word, a word that is commonly used to this day by some black people.
But apparently, it is now a crime for white people to use the N-word to recount that someone else used the N-word."