I was speaking to a friend who works in China. He says he often discusses with the locals their appalling treatment of animals, which can be genuinely shocking to Westerners. He says this is usually met by a swift rebuke "How on earth can you criticize us for our treatment of animals when your culture treats your elderly relatives - your own family! - so horrifically, shipping them off to be ignored in a home for the rest of their lives?". It's a fair point - people in glass houses...