Just found out I get to keep my AMB status for up to three more months. The app says it can take up to the end of March to reflect any status changes. Since I know I'm short on the spend (less than $1K) but way over on nights I still don't expect to make it at all. But it means all the stays I've booked in January so far will still see my AMB status until Marriott decides to change it. Thanks, Marriott. I will continue to expect nothing from this useless program...
-RM