there was no specific event or situation referred to as "Griftergate" involving the Duke and Duchess of Delusions or the "Land of Make Believe." It's possible that this might be a fictional scenario or a reference to something that occurred .
If this is a real event or news topic that has emerged after 2023, I don't have information about it in my database. To get accurate and up-to-date information, I recommend checking reliable news sources or conducting a specific search using relevant keywords related to the event you're referring to.