Finally have access to a computer and internet and a keyboard. Unfortunately I've sort of lost track of the thread.
Polly -- I think because you're Down Under a lot of what's going on in your sitch is outside the envelope for those of us in the northern hemisphere. "Supreme Court injunctions" means something quite different here than I suspect it does Down Under.
As far as the main theme in your post goes, I guess you're at one of those points in time where you have to choose the least-worst outcome. Either H "wins" by getting away with something or you "lose" by going down with the ship with him.
I think your last idea was the right one -- salvage what you can now and move forward. Or you could go all Mad Max on him.... That's always an option. Not always a good option, but an option nonetheless.