Someday, somehow, someone will take down the Super Bowl or the World Cup final off "network television". I don't know how it will happen exactly -- maybe part of the network stream will go over the internet on it's way to/from a satellite feed, or something.
There's no way the NFL is going to distribute their video over a public platform. CDN, yes, but CDN's don't have the same pressure from copyright holders that public platforms do, and don't fingerprint.
That day, the shit will hit the fan.