80-10-10 is a lifestyle. It's basically a vegan version of how our closet cousins, the Bonobo chimpanzees eat:
The bonobo is an omnivorous frugivore. The majority of its diet is fruit, but supplements its diet with leaves, meat from small vertebrates http://en.wikipedia.org/wiki/Bonobo#Diet
It's a good question about do certain types of fat make a difference in blocking glucose absorption. I don't know the answer to that.
With the question of sugar, fructose specifically, is it the processed form in question, or the kind found in natural unadulterated foods?
The thing about the experts is who do you trust? One of the people I trust the most is Durianrider from 30bad and boyfriend of Freelee because he chronicles his lifestyle on his youtube channel so you can see for yourself his results and he really goes out of his way to prove to people his results and also does an excellent job in my opinion of debunking myths and exposing the hucksters who are trying to make a buck off the sick and gullible.