There was this documentary on the bbc, a while back. Where this English guy who loved fishing, went to learn about fish in Japan, he got taken to a restarant where you had to catch the fish, youself, then send off to the chef.
When the fish arrived, it was made into a sushi, but the fish was alive. The guy almost ended up crying. Different cultures, but they say, when in rome do as romans, so lets go and throw rocks at those whacky foreigners.