I was referring to extinct species and subspecies of human. Of course psychopaths are human, but AFAIK they have always been a small minority.
The existence of blind people is not usually taken to disprove “human beings have sight”.
Indeed. Imagine someone arguing that past civilizations saw colour differently to modern humans; it makes a pretty god analogy for this discussion.
I was referring to extinct species and subspecies of human. Of course psychopaths are human, but AFAIK they have always been a small minority.
The existence of blind people is not usually taken to disprove “human beings have sight”.
Indeed. Imagine someone arguing that past civilizations saw colour differently to modern humans; it makes a pretty god analogy for this discussion.