> I'm not sure what your point is; the title is an entirely accurate summary of the content of the article.

You may not have seen this before, but that doesn't mean it is "mysterious".

Do you find Coke or KFC "mysterious"? Those are snack foods with trade secret recipes. Your story is about something similar.

A simple google search will take you to this youtube video, posted in 2015. Read the comments to dispel the "mystery".

https://www.youtube.com/watch?v=dck923eejQA