Only a union mind would assert an arguement that an agreement between an employer and its vendor should be done with the consent of its employees.
If it wasnt important enough for the NFLPA to file a lawsuit to join the negotiations, then dont cry about the results now. Not that filing a lawsuit to negotiate the TV revenue deals would have looked any less ridiculous.
Limiting it to the distributor and the vendor negates the most important component of the production process, the artist. In this case, the artist has the power to say "my nuts" and get his. More power to him.