He doesn't sound much like a libertarian. More like a Republican trying to look cool.
Umm, I pay Comcast to delivery content to me. If I want to stream video from a content provider, that's my decision. I make the request, not the content provider. The request for data is coming from Comcast's customer, not the content provider.
If Comcast is losing money because of the requests that I make, then they need to change their pricing structure with me, not blackmail the content provider.
The only perfect science is hind-sight.