As I didn't downvote and as I am unable to read people's minds I can not give a precise reason for the votes.
What I can give is a suggestion for a possible improvement:
The question took historical fiction and gave numerous examples of how the concept has been used. It seems to be a popular one.
When I read a question on HistorySE I like to see the effort an asker made in his own research into the topic documented. That has been done in this question as I just wrote.
With one caveat: there is no evidence for researching this into the non-fictional history part.
It may be that some misread this as purely speculative asking for confirmation from some nonsensical fantasy novels or games.
Looking or scientific evidence in this case is not easy googling and an emphasis on "tried and failed" or "this seems strange" would have calmed my mind, I had been so overly critical as I just speculated some might have been.
In other words:
The question came from historical fiction, which is fine, but may have been a bit lacking in documenting prior research into the actual problem domain, which is historical research. That is in this case a minor problem in my view. But can be a much bigger one in some other questions.