His method loses some detail every time you shorten the text but will still help you remember and comprehend certain key points in the text better than just reading it once quickly without contemplating it as much

He is wrong Speed Reading is not a scam but it has specific limits and some people exaggerate what it does or claim it can do things it can not

https://m.youtube.com/watch?v=uiNB-6SuqVA

Lecture #9: How to Read so that you *Retain* Information

Jeffrey Kaplan

youtube