We remember seeing mistakes like this for the GameBoy Micro and yes, they are still a mistake.
Well, if you have absolutely no need for more than one DS game and maybe one GameBoy Advance game? How about if you are wanting to travel light (no pun intended)? Maybe?
No, there is no way to justify this. Best thing is they want you to pay $7 for it when you could easily go chop up one of your own winter socks and wham! Instant DS Lite case.
We would feel safer keeping this in our backpocket than in that.