I mean the science was influenced by superstitions in the real history. And the game is just a model of the medieval things plus a magic system based on fantasy games.
Reis Tahlen worded another point of view to the realm of the Reason so it is pointless to react with the usual arguments.
I see the Reason similar like him. The realms are simly different approach of the different kind of faiths.
Magic - mystical
Divine - religious
Infernal - sinful
Fairie - childlike
Reason - analytical
Reason is also a faith, a faith in scrunity and logic.
Faithful thinking sets back the mystical/magical things in its home. The analytical thinking is the opposite of the mystical paradigm so they can do the same. Supernatural thinking has a disadvantage when meeting with logical, analytical thinking in the latters home.
Reason would never make people religious. One cannot decide he will belive in God because beliefs are not logical things. I mean here the normal way of thinking without psychological methods.
The whole ArM paradigm is based in theory on the medieval paradigm. And paradigms are simply beliefs how the things work, what is important and what is deleterious.