No one thinks of themselves as “the bad guy”, though I cannot remember the psychological name for that phenomenon. Human beings are marvels of self-justification. We rationalize more often than we are rational. The SS thought they were doing a GOOD thing when they gased all of those jews and other undesirables.
Exactly right. They love these high sounding titles. Pete Singer who advocates pretty much the same thing is a Professor of Bioethics at Princeton.