Interesting analysis, but it misses one group of authors: those who write books for fun, not profit. Writing is an effective way to convey your thoughts and id

Interesting analysis, but it misses one group of authors: those who write books for fun, not profit. Writing is an effective way to convey your thoughts and ideas. Writing a book has the added benefit of forcing you to plan, prioritize, and edit at a much larger scale. With it comes a greater feeling of achievement. Selling a few copies is a nice cherry on top.