I think the take away is, "Look at my linkbait headline and click!" That's the only possible thing I can think of. I'm with you - it's a hurridly-written "book"

I think the take away is, "Look at my linkbait headline and click!" That's the only possible thing I can think of. I'm with you - it's a hurridly-written "book" and the headline screams "hey look at me I wrote a book in 3 days" (like you said). Linkbait.