I don't think he cares about any of that either. Just needs to make sure that they can file a lawsuit against him. The contract is loaded with all kinds of shit so I don't know if they have anything in there where they can't speak negatively about the show.
I know in DR, when someone wants to self-evict, they throw all kinds of threats out like making them repay for flights, hotels and stuff to convince them to stay. That is in the contract as well, but I don't think they've ever pursued it for the few who have self evicted