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#22, yes Bern you are right about the racist outrages you mention. But those extreme examples are relatively rare and appal all decent folk of every colour. Indeed they would appal decent people even if there were no racial element.
My point was that, in my examples, few people in those societies would have seen anything wrong with the actions I described. That is what makes a society racist, not a few violent and bigoted individuals, a news editor with poor judgment, or a few lazy coppers who didn't take their diversity training seriously enough. Perhaps I am wrong; perhaps your examples are but the tip of a violent iceberg of inter-racial hate and mistrust. But I don't think so, the media are bad in many ways but leaving sensationalist stones unturned is not one of them. (By the way, if a person is found drowned, why is his race relevant?)
At the end of the day the law and its agencies can only lay down standards of behaviour and prosecute breaches of those standards. It cannot control the way people think and it can particularly not change people's instinctive reactions if meeting someone of a different culture or skin colour puts them out of their comfort zone.
We are all nowadays required to treat everyone alike irrespective of colour, race, or ethnic background. But I would prefer to celebrate the differences between cultures rather than pretend that we are all the same; where these differences cause friction in the way politicians' unguarded remarks do, we should seek to understand the reason rather than condemning out of hand on the basis of what we think a form of words demonstrates about what is in a person's heart.