https://archive.ph/f9EMF https://archive.ph/f9EMF It doesn't sound like a particular insightful book - yes, models do not always match reality, and slack/frict

https://archive.ph/f9EMF https://archive.ph/f9EMF It doesn't sound like a particular insightful book - yes, models do not always match reality, and slack/friction are valuable properties we lose at our own risk. But at least based on the WSJ review, I'd assume these are the essence of the book. Any HN readers who actually read the book and can shed more light than the meagre article?