I’m clearly missing something. I see NFTs a way to sign your digital work - which was previously impossible. Or a way to speculate, aka create (art)work which

I’m clearly missing something. I see NFTs a way to sign your digital work - which was previously impossible. Or a way to speculate, aka create (art)work which can have arbitrarily any value, from O to infinite, depending on how powerful the person / network is who sets the price.