If the book was targeting AI researchers I would agree that Harris is a poor choice. On the other hand, if the goal is to reach a popular audience, you could do much worse than someone who is very well known in the mainstream media and has a proven track record of writing best selling books.
Notes for future OT posters:
1. Please add the 'open_thread' tag.
2. Check if there is an active Open Thread before posting a new one. (Immediately before; refresh the list-of-threads page before posting.)
3. Open Threads should be posted in Discussion, and not Main.
4. Open Threads should start on Monday, and end on Sunday.