It's not about images. This is about digital authenticity and historical record that is easily verifiable in an open, global system. This is instantaneous transfer of those rights or assets to anyone else in the world. In-game purchases of items, tickets to an event, transfer any digital item and the verifiable rights/ownership of it. Mark Cuban has been a big proponent and has been implementing use cases and I think it's more eye opening once you begin to see more advanced usages. https://twitter.com/JrWhipstock/status/1460311826026147840
Bingo. Just because you download an nft doesn't mean you own it. Proof of ownership is achieved by signing a challenge with the wallet linked with the nft (as encoded on the Blockchain).