I don't really agree, because these kings really had a say and people basically worshiped them. People imitate all sorts of things from how the kings and the courts did things, things like not buttoning the lowest button on their jackets, etc., so I think it may well have had a substantial influence.
knowing and thinking / assuming are two different things. Saying that "that's why people have done it" is simply and categorically wrong.
It is no doubt something that could prove interesting if shared when presenting the research (e.g. I went down this route, find this weird thing here, that unusual story there) but this article does accompany you through that process, it just presents the findings which makes the inclusion of this fact quite questionable.
