All your arguments are simply points about why we should not consider him irrational because he was religious, but so far you have not given me any reason to consider him irrational. If Newton was just an alchemist I would not suggest studying him at all, it is because he has real achievements to counter-act the failures that he is interesting. What does Conan-Doyle have, beyond writing a character who uses magic and calls it reason.
All your arguments are simply points about why we should not consider him irrational because he was religious, but so far you have not given me any reason to consider him irrational. If Newton was just an alchemist I would not suggest studying him at all, it is because he has real achievements to counter-act the failures that he is interesting. What does Conan-Doyle have, beyond writing a character who uses magic and calls it reason.