Lots more with this search: http://www.dslreports.com/nsearch?cat=news&q=comcast%20caps
The problem is that the last-mile providers try to extract money from netflix for a service that the consumer already paid for (deliver those video bytes)
There is an argument there, in that it costs more real money to deliver video bits the a la carte Netflix way than the cableco broadcast way, but I believe the conflict of interest remains an issue, and the prices I see for exceeding these rather small caps don't strike me as fair.
(Albeit AT&T's, the only choice I have aside from a not so reliable WISP, are particularly ridiculous: 150 GiB/month including I'm not sure what overhead for a continually rising price 2nd from the bottom "up to" 1.5 Mbs down/300+ Kbs up line that currently costs $36/month, each additional 50 GiB costs $10. We'd get a faster line so my father could watch video, at $5/month extra each increment, if the cap wasn't so low and the overages so high.).
The issue you're pointing out is the lack of net neutrality - but that is orthogonal to the pricing.
It makes sense, then, that one of the few large cable companies that uses Open Connect is Cablevision, who's CEO is on the record saying "Ultimately over the long term I think that the whole video product is eventually going to go to the Internet."[1]
He's one of a few that has accepted the eventual fate of cable TV, and so his business decisions aren't biased by a need to delay the inevitable.
[1]: http://online.wsj.com/news/articles/SB1000142412788732342060...