Well the point is here that in many cases (I'm looking at you iBookstore, among others) the cost of the physical book is lower than the ebook, but the profit on

Well the point is here that in many cases (I'm looking at you iBookstore, among others) the cost of the physical book is lower than the ebook, but the profit on the ebook is higher if they were at the same price point. In what possible set of circumstances would you want to discourage people from making you more money?