people forget we're humans with ongoing racial history and slurs are always harmful and always offensive especially in a highly public event.
this is a mentally ill person w/ a condition which makes him transgress taboos. obviously yelling racial slurs is rightfully a shameful thing to do. no one is forgetting that-- that reasonable taboo is precisely what he couldn't help but trangress.
He should apologize directly to the Black folk that were impacted, not to the general audience
i imagine he did. do you think he should have made a public, private apology?