You are mixing up things. Your are referring to things that happened in Europe in the middle ages. I forget what they called it. The bread got moldy but they knew they still had to eat it because it is all the had. It was called St someone or others dance.
Let me say, your choice of interest and reading matter is a waste of time.
Get another hobby is my advice. And stop reading factually suspect third rank addled literature.
St. Anthony's Fire or something like that?
Speaking of addled....
Before you start admonishing people
for lack of historical rigor, you might
want to examine this PBS site.