In the firm I made my internship, we have to use German in every communication. I use DeepL to check my E-mail or help me write speech for the presentation, etc (not a native speaker). The translator is wonderful!
Thanks to the internet censorship, it is hard for either side to get any accurate information from the other, not to mention fewer people do that deliberately.
The author tried to advocate a "practical view" of fiction books. When your sole aim is to extract some useful idea, why not read the abbreviated version or community reviews on Goodreads?
I read it once and the part of what causing Type 2 Diabetes seems reasonable to me, however his advocate for extended fasting (namely, 36h+) sounds too aggressive.