There is a provision in the contract that discusses loss of use of one resort.
I think when you have one resort offline, there is plenty of availability to absorb those points so following the rules specifically may not be needed,
In this case, you would be talking about many more resorts closed, which I would think would force them to do what the contract says in terms of loss of use.
It is why I would be very surprised to see an opening of only a few
DVC. I think all will open at the same time.