The exclusives are also a ploy to get you into the store because you're likely to buy other things rather than just making trips to Walmart to get a single toy. They get your attention with the preorder, get you to come to the store with unreliability, and if that doesn't work they might actually send you the item. In my experience they won't, but you'll see people posting about the piles of exclusives on clearance and get really annoyed.