This whole thing struck me the same way. UC, you're young and have no kids. I'm guessing that neither W nor OM is sitting on bags of cash either. You could walk away from this pretty cleanly and just move on. The whole revenge thing really just holds you back in this painful situation longer. It's not good for you; it's not who you want to be.

Now as a bargaining chip to get W to sign off and exit quickly, maybe, but to actually invoke it would not be the high road.