Well religion can be pedantic just like the classical education system, so I can see there being a noticable correlation. And for the most part, those who take a part in both want to be helpful to others.
No wonder I stunk in the classroom and never did more than supply teach.
I know they mentioned that the physical sciences had a neutral influence but I would have thought that chemists would be slightly more directed towards religion because of the the periodic table showing "order".