Years ago - measured in decades - before values opened (and possibly before moderates and DVC), "are you celebrating something" would almost always result in pixie dust. Honeymoons and anniversaries were a small bottle of cheap champagne. Birthdays got a cupcake in your room. These were the days of turndown service and pillow chocolates. It wasn't big, but it was fairly consistent. Then everyone started saying they were celebrating something to get the freebie. So now its just part of the script, attached to your reservation, and you might get a mousekeeper who leaves a towel animal and a note - but likely nothing - you can pick up a button though.