Artificial scarcity has always been a key part of the argument. NFTs are just a new name for a concept that's been around in bitcoin since the very early years

Artificial scarcity has always been a key part of the argument. NFTs are just a new name for a concept that's been around in bitcoin since the very early years: Colored coins https://en.bitcoin.it/wiki/Colored_Coins https://en.bitcoin.it/wiki/Colored_Coins