Both his parents were psychologists.* Any psych major knows the old saw that you probably got bad stuff like this from your parents. Some of the psych majors I have personally known struck me as folks who had no clue how humans work and were hoping to get a clue by majoring in it. When I went to GIS school, this observation was reinforced by a classmate who had a Master's in Psychology and was looking to change caree…
I don't think you can attribute this specifically to psychology, it's sort of applicable to every science. You have someone like Neil Degrasse Tyson or Carl Sagan to every emotionless, numbers-only physicist who doesn't sleep with his wife.
It's a personal choice, whether to accept life as a mystery and study it as such or consider it a problem that needs to be solved analytically and without emotion.
That said, yes, when I worked in a psychiatry department I worked around the most miserly, insane people I've ever met. They were more cold and soulless than the homeless people we were treating. I got out of there right quick.