Very thoughtfully put together piece:
Fast forward 20 years and the scale economic model is falling apart for trade publishing. So effective at applying scale to accounting, manufacturing, management, production and other overhead, it is ironic that in the internet world everyone now has access to similar scale benefits. Publishing companies now realize they have achieved scale advantages in the wrong functions. Scale advantage in editorial, marketing, promotion, and content management is almost non-existent to the degree that will ensure competitive advantage, yet these are the functions important to future success. (As an isolated example, I would argue that authonomy.com by Harpercollins represents an attempt to build scale into the editorial process).