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You've managed to say what I tried to in far more words above.  I'd only add that sometimes clarity is a serious issue and forces our hand.  For instance, the Ainu people don't like that name and would prefer to be referred to as Utari, but only they and people who study their history (like myself) know that name, so we refer to them on Wikipedia as the Ainu. It has nothing to do with us forcing some colonial name on them, it's just the most recognizable name.   (話して下さい) "