The combination of portability (at least the handheld devices) and the fact that many of the devices are owned by kids increases the chance that a device will b

The combination of portability (at least the handheld devices) and the fact that many of the devices are owned by kids increases the chance that a device will be lost or broken, requiring replacement. Just like cell phones. Nonetheless, if the expected profit from each game-maker device is less than the profit from each play-only device, why would a manufacturer of the latter make any of the former?