Because you’re exceptionally anal about the toastiness level of your toast.
Or maybe you’re just the kind of person who likes to watch the dryer as it tumbles and you could use a new target for your stares, or you’re the kind of person who likes appliances with retro-futuristic names.
Or maybe you’re all three, in which case: jackpot. Behold, the Magimix Vision Toaster. It’s your lucky day, weirdo!