"Self-publishing" is now a reasonably respectable process that allows anyone who writes a book to be digitally "shelved" alongside authors published by traditional routes.
Not one book was worthy? Does it follow that, in the opinion of the judges, the reading public last year was short-changed on the quality of what was on offer?
The new ploy by book publishers is to characterize Amazon as a monopoly poised to take over and dictate terms and run rampant over those who create ebook content.