There's probably a lead time when stuff that was contracted previously is yet to be published. Analogous to when you hear that a TV series has been cancelled a

There's probably a lead time when stuff that was contracted previously is yet to be published. Analogous to when you hear that a TV series has been cancelled and the current series is still being screened until all the episodes in the series have been shown. It's just business. If it's already been paid for, you will lose that money if you stop using it immediately.