>>1861338Because those camper shells aren't really made for the vehicle rattling and bouncing and wobbling from side to side over offroad trails, and they'll literally shake and flex themselves to bits over time. Not immediately, not all at once, but over time. Offroad campers need to be a lot more reinforced. A lot of offroad camper trailers don't even bother with insides in fact, they just throw some sturdy storage cabinets and a roof tent onto a strong frame.
