You are on target Klavan on the Culture! Knowledge of other cultures and their history is a great thing. Multiculturalism, however, has become merely a mantra for those who wish to excuse bad behavior, here and abroad, if the malefactors can claim favored victim status bestowed by the forces of the Left. Curiously, or pehaps not so curiously, it is usually embraced by political liberals, who are often notoriously intolerant towards domestic political opponents who have ideas that differ one iota from their own.
Respect for other cultures is not a license for moral indifference in the face of manifest evil. The British, to their everlasting credit, banned the barbaric custom of Sati (Suttee), the burning of widows on the funeral pyres of their husbands, in India. Charles Napier, the brother of William Napier whose History of the Peninsula War I am currently reading, when he was Governor-General of Bombay, was approached by a delegation of men who protested the banning of Sati, saying that for them it was a cherished religious custom. Napier said that he could understand that they had their customs and were fond of them. He then went on:
“You say that it is your custom to burn widows. Very well. We also have a custom: When men burn a woman alive, we tie a rope around their necks, and we hang them. Build your funeral pyre; beside it, my carpenters will build a gallows. You may follow your custom. And then we will follow ours.”