I think that we're going through a period of time where society seems to scream OUTRAGE at many things. Social media, the mainstream media, etc are rapidly turning into a cancer where a bad news story is seemingly all that gets traction. It's awful. It needs to change.
Incidents like this will get spun by both extremes of the onlookers. That's probably the biggest issue in all of this, but, I think the hugely missing part of the conversation is, what was the intent. Intent, I feel, is everything.
Was the intent to make a racist slur, trying to force a confession someone who is black to 'admit' they are not British, and are African? Or was it someone who 'is a person of their time' and in a very clumsy way (by modern standards) simply trying to strike up a conversation? None of us were there, so we won't know. 42 pages into this thread however, you can see that there are plenty of opinions (and I guess trolls) who like a view on it all.
I think one thing I will always say in these situations, as a neurotypical non-disabled white British heterosexual christian male, how can I have an opinion on any kind of prejudice, as I've simply never experienced any. Where I find the world to actually be, in the main, quite pleasant, you only need to change one of those attributes and you can see how people have to almost fight for every single one of the rights I take for granted. That is unacceptable, and if this person felt there was a racist action, I would have liked to have thought it could have been handled at the time in a quiet constructive manner, and not become a 'national scandal'.
As a parting comment, an organisation I have done work with has had John Amaechi in to run a multi part course on Equality, Diversity and Inclusion - I would highly recommend it.
What hit me the most was in the initial session where he felt that when people asked him 'where are you from' he didn't truly believe people believed him when he answered Stockport. That's a pretty awful situation, so maybe we do need this all over the press so people realise the impact they can have on someone....