You may have forgot but it is, or at least started as, a child's toy.
Ya, but things breaking after one weird drop is true about a lot of things including tablets and phone, of which I have seen much more broken screens on ether of those categories than I have of just broken 3DS. O and I have never seen a crack in a 3DS screen. If the hinge is all you are worried about, then just get a petition to have metal hinges on the game and send it to Nintendo. They will add $5 to the system and done.