Well, no, it's not obvious at all. It's a neat conjecture that may be true in some cases and false in others. I mean, for all we know there may be castles where staircases spiral a certain way because of some beliefs about the devil.
It's fine to say that we don't have enough information to say anything definite about the subject.
It's fine to say that we don't have enough information to say anything definite about the subject.