Because the apparently straight lines contradict the labels. As drawn, the unlabeled bottom vertices are clearly 90°, not 80° and 100°. We must either conclude that the labels are incorrect, or that the figure is not drawn to scale. Either way, it’s insoluble.

I don’t think that most of the people we might consider evil have that level of self-awareness. Certainly those with a pathological lack of empathy are overrepresented in the highest echelons of power. It doesn’t logically follow that they see themselves as bad.

I had a science teacher that told us, “If you sneeze three times and nobody blesses you, the devil takes your soul!”

It’s science.