Since many animals have many of the traits that humans have, and some animals have those traits to a greater degree than some humans do, it seems you should care about at least some animals.
Does not follow, since an equally valid conclusion is that Qiaochu_Yuan should not-care about some humans (those that exhibit relevant traits less than some nonhuman animals). One person’s modus ponens is etc.
Does not follow, since an equally valid conclusion is that Qiaochu_Yuan should not-care about some humans (those that exhibit relevant traits less than some nonhuman animals). One person’s modus ponens is etc.