It's actually even more interesting.
For starters, TWC isn't being greedy, they're being cheap, a subtle distinction that will become clear shortly. It's Viacomm that's being greedy.
Now:
http://arstechnica.com/news.ars/post/20090102-in-dispute-viacom-threatens-to-pull-shows-on-tv-and-online.html
Apparently, they were also threatening to deny access to their streamed content to TWC internet subscribers, as well.
Here's where it gets funny. Here we have a content provider demanding more money from a service provider's subscriber stream. Two years ago, we had an AT&T VP, a service provider, looking for a way to charge third party content providers for premium access to his subscriber base.