Every book store decides what they are going to sell.
I am in this case amazed to find a book store refusing to stock a book on professional writing because the book contains details of other book stores that a writer might find useful, or for them to suggest to the author that those elements be removed from the book as a condition of sale.
The comparison is absurd anyway as the main drive for the selection process of what to stock in a brick and mortar bookshop is the limits of physical space in a bookshop, which is not really an issue for ebook stores.
B&N is stocking Amazon published books on their website according to the first article you linked, just not their physical books in the physical stores. And they are doing a blanket restriction, not picking through the contents of the books and demanding editorial control.
I am in this case amazed to find a book store refusing to stock a book on professional writing because the book contains details of other book stores that a writer might find useful, or for them to suggest to the author that those elements be removed from the book as a condition of sale.
The comparison is absurd anyway as the main drive for the selection process of what to stock in a brick and mortar bookshop is the limits of physical space in a bookshop, which is not really an issue for ebook stores.