when pressed, most orgs refine their "no pod" policy to
no self published books or
no books published on presses which only publish one author or
no books without ISBN
a greater problem is pre-circulation of galleys when print production does not easily allow for their creation in bulk
or circulation of galleys and review copies by the publisher, when publishers might be in a different country or totally uninterested in circulating review copies or nominating their books for awards
or scheduling a book launch and reading tour in advance of publication -- "being tied to a schedule"
I think one thing that might change is the concept that reviews should be time-sensitive -- i.e., if they aren't occurring the second the book is launched, or if a launch party isn't planned in advance of publication, no one will come -- is a dying idea. On the one hand, I'm seeing lots of book blogs that -- realizing there's no pressure of time and space for publishing the review, or procuring the book -- nothing has to go out of print anymore -- would rather publish a good review than a review in advance of publication. Lots more reviewing "the classics" alongside the new to establish an aesthetic.