Four years ago the concern was that ebook reading was too expensive and would become an activity solely for the elites--today it is the elites fretting that it has become too cheap and everybody can play both ends of the game.
That's pretty common, actually, in professional handwringer circles.
For example, back in the 70's, the big concern was that since we are smack dab in the middle of an ongoing ice age, any sign of cooling was a precursor of catastrophe:
http://www.amazon.com/The-Cooling-Ne.../dp/013172312X
Give it a couple years and the wheel will turn and we'll be back to worrying about yesteryear's fears.