Well, it's just a divorce. Like any marriage, they grew apart. And like many divorces, this one is not going to be amicable. So they're pulling out all the stops and using any ammo available to them.
It made the news because of the bdsm aspect. Makes it look, to mainstream america like he's a real bastard. To us within the forum, we see it as a concensual act and most of us probably condem her for using the contract against him.
I'm not going to judge who did what to whom, we're only seeing one side of the story. The true reasons they're separating probably have nothing to do with the contract.