you are wrong knox. people can and do become sociopaths.
read up on it.
Most serial rapists, killers, abusers who can be classified as sociopaths come themselves from backgrounds of terrible abuse, terrible trauma. Not every abuse victim becomes sociopathic, but many do as a response to the world which they have experienced, full of fear and endless terror. It creates a disconnect in the brain, a willful detachment from shared "reality."