It's a song with the word, multiple times in the lyrics. You sing a long as to how the song goes. I would do the same no matter the words that written down. Thinking? Sure, the presumably amazing experience that I got on stage. Luckily I don't give a shit about this kind of music, so it simply doesn't ever come along for me. Still, it's a song, she sang the song, Done. Nothing more and nothing less. People that truly believe there's more behind all of this is lost.
It's not about "us white people" want a reason to say the n-word. I for one couldn't care less. Words are words and don't hurt me in the slightest. That black artists really seem to like the word to express whatever they want, is their good right to do so. But then don't expect that a random (big time) fan who happens to be white, sings along with your song when it's playing at home, in the car or whatever and then censoring some words. That's like singing along to Limp Bizkit on VEVO where half the lyrics are censored, and you do the same.