It isn’t Nintendo’s responsibility…they could help by putting something noticable on the outside of the case, like the ring you have to remove on the milk jug cap, but that would take whole new packing machines and processes.

It would be simpler to just deny electronic divice returns for any reason. Caviat Emptor!

Jesus would be funny. Honestly any key religious figure or even their betrayers (Judas) would just make for just a wildly different human race.