You do know not everyone in the world speaks in English? Negro means black in many languages. Una taza de café negro means a cup of black coffee in Spanish for example. SO we are now going to demonise people for the language they speak because it might upset the English speakers?
Referring to a black man as a black man
https://www.cbssports.com/soccer/news/psg-istanbul-basaksehir-match-suspended-demba-ba-coach-confront-referee-over-alleged-racist-incident/
SO the copy of the actual article saying he got it wrong isn't good enough? Okay then. You can also find it in when saturday comes
When Saturday Comes - Wrong end of the stick (wsc.co.uk)