The linked analysis is rather outdated - it mentions that if video over IP becomes popular, perhaps the conclusions might change. And the article itself points

The linked analysis is rather outdated - it mentions that if video over IP becomes popular, perhaps the conclusions might change. And the article itself points out that it might be important for ISPs to feel the threat of net neutrality regulations. It's hard to claim that the ISP market, at least in many locations, isn't subject to plenty of market failures that need some kind of remedy.