I think issues like "Ethnic Cleansing", "Genocide", and "Cultural Extermination" all revolve around a very unpleasant fact about being human. These kinds of things have been a key part of social development/order around the world and throughout history. There is absolutely no indication this kind of thing will ever end either because, under the right set of circumstances, anyone would join in a wholesale slaughter of another race/class/religion/ect.....

Part of being an "Enlightened" society is understanding who we are and almost every nation/culture in the world today has benefited in some way by genocide of others in the past.

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The Science of Brute Force......