I must remember to slap Mark Cuban Up the Side of the Head

The problem is that the industry structures are different and that consumer habist are changing in interesting generational ways. Economics is complicated.
http://blogmaverick.com/2009/03/22/some-questions-thoughts-re-internet-video-vs-the-incumbents/

Cuban is right that you can't blame everything on the incumbents, but he can't turn around and say that content producers will fight the transition tooth and nail and then pretend that content incumbents have nothing to do with why people aren't switching to online delivery.