The NFT itself only enforces any of that on the NFT itself (more or less the sales receipt), not the digital art. What's the incentive to jump through all of th

The NFT itself only enforces any of that on the NFT itself (more or less the sales receipt), not the digital art. What's the incentive to jump through all of the hoops that end up with the artist receiving a percentage of the transaction? Laws? A central commercial organization? The good will of people who like the artist? Then why use a blockchain at all?