Here is the counterargument to this by the way.
Amazon (as a content hub) is in the personal relationship business. They know you, and thats what they are selling.
To the buyers - the potential to reach highly targetable audiences, far outweighs their want of "ownership", "final edit", or "editorial control (there will be fringe issues, sooner or later -- right now you already have 90%, pulled that number out of thin air, of the direct publishing crowd "writing for the algorithm")", so they gladly sell it all to Amazon in exchange for a place on the market - where the search algo will surface everything to all people ("integrated experience").
and the customers dont care - because Amazons goal is to "connect and entertain" and they are happily entertained by cheap, hyperlocal, erotic novelas - where you can change the main protagonists name to yours.
Marketed .kfxiii feature - you read it here first.
Also - a book? Whats a book?
To my "proof or I won't even contemplate thinking about it" audience - there isn't any. Well maybe the general trend in businessplans in silicon valley... You can skip right over this posting. Next time its back to facts...
