Look at the other side of the Coin... NFL & NBC had to be in agreement to stream the Super Bowl live.
NBC could have easily said no.
2.1 Million people watched it according to NBC.
Regardless, if it was a failure or not in some eyes, it's still groundbreaking in that it's the largest world sporting event ever streamed live, and there will be lessons learned by NBC and other content providers on how to improve the experience to make it better next time.
It can only lead to better Streaming in the future...