[chillacy]

There seems to be some evidence that people who are highly psychopathic do have underlying physiological differences which give rise to reduced empathy: https://www.sciencedaily.com/releases/2009/08/090804090946.h...

I think we all have the ability to not feel another's pain. For instance, dehumanization is a classic technique in war propaganda.

[MawNicker]

My notion of these people (developmental and increasingly genetic) is that they exist as the scar tissue of humanity. I fear this new propaganda will only leave more scars than the old.