>>48824070The problem is their size. They're big enough to instantly divert attention away from everything else, but not big enough to be considered posters. So you'll have this uncomfortably large and noisy piece of holofoil on your wall, looking about as tasteless as it gets. Small cards are cool because you can put them on the shelf with all other stuff, and they stand out nicely without being overly distracting. Maybe someone can make it work, but I sure as hell can't.
