Good - no surpises.
The 18,000 “marriages” remain a legal fiction, the “spouses” entitled to whatever benefit they see in it. That’s probably fair.
Does that mean that even though the court ruled them as valid, they won’t be able to receive marriage benefits, tax breaks, etc? None of the legal issues of marriage will apply to them? Will they still have to divorce in a court when they split up, will the community laws still be applicable to them? I see where the court left a whole can of worms just waiting to be opened by the queer lobby.