I'm just going to post one more message on this thread and then I'm finished with it because it's depressing.
I've lived my life thinking that Cardiff was, relative to other parts of the UK, a racially tolerant place. I still feel that, but my faith in my city has been shaken a bit in the past decade as I heard more and more "send em back" type comments from people I like of my age or older in the city. Nevertheless, I'd say Cardiff, and the supporters of its football club, could teach other cities and other club's supporters a lot about racial tolerance.
The trouble is, I have a white person's view of racism - my view on it is based on the presumption that racist behaviour is always pretty easy to spot because it's so obvious. One of the things that it emerging in the days since George Floyd's death is that my perception of racism is a lot different from those who spend their lives having to deal with it.
Adrian Chiles told a story on his radio show last week about the former Home Secretary David Blunkett. I cannot remember the exact words used, but the point of the story is that Blunkett said one of the best things about being blind is that the colour of someone's skin became irrelevant to him because, more often than not, he had to be told about it to learn that someone was a different colour to him. In other words, he didn't have to go through the process that so many others do whereby they have to tailor their response to the skin colour of the individual/group involved - strikes me there are plenty in this thread for whom that process is a matter of course. Are they racists? I'd say no in most cases, but then my definition of the term comes from a white perspective.