Actually, People Are Not Delaying Holiday Plans. They’re Already Thinking About Christmas Gifts
Pinterest explains the shift

Searches from Halloween to holidays start appearing on Pinterest months before other search platforms.
Pinterest

Brands love reaching their most passionate customers. As a former retail CMO myself, I get it. When you reach early planners, you reach the CEOs of the household—an audience that buys and spends more. Reach them first and you have a shot at being their first choice when it’s time to shop.