True enough, but think about this. We have warning systems on our computers to let us know when they get a virus - so we don't have to feel the effect of the virus to know its there - and we know that we want to preserve the computer, so we act on it without feeling the "pain" of the computer. But, we actually do start to associate our own feelings with this knowledge - annoyance, even grief if it destroys the computer. So the affective, feeling-oriented component of knowledge and action emerges, even if it is seemingly unnecessary.