Hey, you don't have to be a genius to write a bestseller. The idiot market is as vast and profitable now as it ever was. The trick is writing a book that makes the idiots feel smart.
What you call the idiot market might also be known as the entertainment market. But you can please feel free to look down your nose at the 45 million of us who bought/read the book and feel superior if you like. Opinions are like [you know what fills this space]. We all have them.