Oh that's ok then, we might as well all just shoot each other now then, get it over with then.
Personally I think the fact that we as a human race have evolved and have a distinct advantage in terms of intelligence (at least in the majority) means that we should be able to appreciate thet it...
Can you imagine the frothing at the mouth outrage of the 'I'm not racist but' crowd if it had been a white man trying to get on a train and a bunch of brown Muslims were preventing him from doing so!
Because it's the other way around though it's OK!
Eh, they weren't letting him get on the train because he was black. Easily enough room for one more on that train, he was even on at one point before one of the racists pushed him off.
The fact you fail to appreciate what happened and the context that falls into is a worry.