This started as an April Fool's joke and so many people *really* wanted one, somebody decided to make it (or the company making them "brilliantly" tested the waters with interest before mass producing to see how it would be received - your choice).
"You are going to get a certain amount of snarkiness on the Internet no matter what, and my rule is that you don't post anything that you wouldn't say to someone's face." Marc Andreyko (Writer of DC Comic's "Manhunter")
It depends how much your into it really.... a lot of gaming nowadays is collecting. Collectors will go out of their way to find stuff. Imagine some RPG hunters going there to find first edition D&D books. Or see what the new things have to offer.