I'm targeting them specifically because although Nintendo says they're portable and will last, what if Nintendo decides to revoke all those download keys when they sunset the Switch 2 instead of allowing them to be redeemed on the Switch 3, if there even will be a Switch 3 and the entire gaming industry doesn't collapse before such a console has a chance to even go into conception?

You'll have larger amounts of now-useless plastic littering landfills than with the optical discs that are glorified license keys on the PS and Xbox consoles.