You're probably referring to another book as this one's main author is a she.
The book makes a point of how you can't predict the future. Instead it enumerates a bunch of shapes the future could take given various sets of assumptions. Some of the shapes look decent but require a lot of things to go right in the meantime.
Didn't he get pretty much everything wrong? Like embarrassing wrong even messing up, or intentionally misunderstanding, basic economic theories?