You, the reader, are not the only audience for blurbs. They get used all along the sales and marketing chain, because many of those people are never going to re

You, the reader, are not the only audience for blurbs. They get used all along the sales and marketing chain, because many of those people are never going to read the book, and only want to see that someone has vouched for it. Those people also know how the game is played, and that the blurb might be the author’s friend, the editor’s friend, and so on. If no one is willing to speak up for a book, it looks bad.