We’ll they weren’t just saying the n word. Watch the video again.
I’ve seen the video many times - I know they were singing in some deliberately shocking and outrageous ways - like a lot of blacks use the same word in their rap and hip-hop - amongst themselves, not in public to hurt or offend others like so much of the public displays in the sixties, for example - so tell ‘em to knock it off and suspend them for a year or something - don’t act like they were chasing people down the street with a machine gun or worse......