I'd be willing to bet there are people who would gladly trade in an equally efficient organism that's lower order cognitively. The mistreatment of animals is wh

I'd be willing to bet there are people who would gladly trade in an equally efficient organism that's lower order cognitively. The mistreatment of animals is why many folks prefer to avoid meat. So while it might not be worth it from an protein-production-efficiency standpoint, it might be worth it from a cruelty-efficiency standpoint.