[falcolas]

An artist can create as many instances of an NFT as they want, even after selling "number 1". It's not malicious, it's a feature of the platform.

[SideburnsOfDoom]

> An artist can create as many instances of an NFT as they want

Not just "an artist", anyone can. And they do. Many artists' works are being exploited in this way without their consent or even knowledge.

[cbm-vic-20]

Indeed, this also happens in the physical world. Many artists create multiple, individually numbered prints/copies of their artwork.