You don’t want to have to convince people that they should care about your idea. It’s much better to be convincing them that you have the best book or product on an idea they already care about.
In short, his process is all about figuring out where his readers currently are—what resonates with them, what they care about—and bringing them where he wants them to go.
A lot of people might be like, ‘OK, we worked on positioning for a week—let’s move on and start executing!’ But I will sit with it for six months, or a year—however long it takes for the idea to feel like it’s fully formed.
But more specifically, a lot of the work early on in a book is about positioning. Positioning the product, packaging the ideas, figuring out the right frame, so that it's something that people will be interested in.
Text is the most efficient communication technology. By orders of magnitude... A t every step of communication technology, textual encoding comes first, everything else after. Because it's vastly cheaper on a symbol-by-symbol basis.