I'm not saying people without any background or connections can't be successful. I'm saying that it is like winning a lottery to be even born to parents who even read books about how to make their kids successful. With that kind of parental dedication, i have no doubt that their kids would be successful even without reading the book above.
Lets look at the timeline :
1. Be born to a stanford physics professor and his very conscientious/intelligent wife
2. Have google start in your garage
3. Pivot and be successful