They're not taking it to court, and they most likely won't ever. It's too risky for them and as much as they know they're getting screwed, in the end they're just going to have to deal with it (unless this arbitrator and/or the appeal process changes anything, which isn't likely). Of course it was against the law, and if it was ever taken to court, the NFL would lose every last one of its antitrust rights and agreements (along with the penalties for collusion, obviously), and you know who that would hurt? The Redskins and Cowboys, along with every other team. This won't go much further than it has.