Many suppliers do this. Amazing how many people then put them in places so said sticker can be easily read through the nearest window....(!)
You may be able to secure a device, but you cannot prevent its owner then proceeding to royally fuck it up.
Best of breed here is probably Bloody Terrible, who at least put the sticker on a pull out bit that cannot be read in situ. Next best is to put it on the bottom of the device.
 Usually sporting the SSID, WiFi password and admin details to make life really simple for any passing s'kiddie. See also eggs and baskets.