I rather suspect the opposite problem: the author has too much math background to realize when they're using too much lingo and skipping too many steps. That or

I rather suspect the opposite problem: the author has too much math background to realize when they're using too much lingo and skipping too many steps. That or they're really just copy-pasting from someone like that. Anyway, the article did make sense eventually, mostly, after I read it three times.