Worse than that, the slot they left is also locked out for a year. Although you can return to your previous spot freely, so break up and make up is fine.
I get why, if it were too flexible publishers would fear sales loss and opt out en masse but still feels rather long.
Tomorrow? Oh, so you already forgot the announcement from last month? Well, I mean I guess we have a lot of our own stuff going on right now…
/s?