Moral values aren't necessarily utilitarian, culture and human nature is wrapped up in it. Babies have a similar intelligence to pigs but people who eat babies are considered kind of jerks. Even if you're the mother who made the baby it's frowned on to eat the baby.

And it's sort of interesting you bring up Asia considering that the outrage over Asians eating dog meat is much greater in Asia than it is in the West. Dogs are more and more seen as pets and not fit for consumption. Worldwide, dog meat consumption has trended sharply downward.

I eat bacon. Does that make me a hypocrite? I guess. Is that an accusation likely to make me start eating dogs or stop eating bacon? No.