You can't just take any product, mark it up 10x, and call it a luxury good. People would laugh at you and buy the regular one. A luxury good has to have some reason to justify its luxury status.
In this particular case, the $60 NES Classic is already a luxury good. Marking it up 10x doesn't make it more of a luxury good, it just either means people who actually want to use the damn thing can't afford to, or must pay exorbitant prices.
A $300 pair of jeans also isn't indistinguishable from a $30 pair. And you're talking fashion here, where the value is derived from the associated brand. That's not at all the case with people buying up a $60 item and reselling it for $600. They are providing literally no value at all to the buyer.
In this particular case, the $60 NES Classic is already a luxury good. Marking it up 10x doesn't make it more of a luxury good, it just either means people who actually want to use the damn thing can't afford to, or must pay exorbitant prices.