A frequent comment by some casual students of World War Two has been to note how blind the Western Allies seemed to be to German atrocities. The common theme is that, "if it were we, we wouldn't let it happen."
Well, we are.
In the past few days there's been all sorts of news about ISIL horrors, starting with the Taliban actually condemning ISIL aligned forces in Afghanistan for the brutal explosive featuring killing of prisoners to the institutionalized assault and slavery of non Moslem women.
So we wouldn't let these thing happen, eh?