If it's truly about a power play then this will be undone pretty quick, along with the jobs of the people who made it happen.
Microsoft has put a vast fortune into this operation and if Satya doesn't like this then it will be changed back real fast, Ilya fired and the entire board resign. That's my prediction.
Alternative is Sam goes in house to MS who already have all the weights of GPT-4 and build again, but constrained by any existing charter.