Block Chain Technology in NFT

I'm still studying both crypto and nft. We did an experimental nft here, and then my friend alex danko lectured me about how i was wrong and how i was right. He sees nfts as like you've got to have them unlock something. And what's been happening, most musicians are getting almost all of their revenue from live appearances and tea shirts. So selling an en of tea for them is probably going to be a way for them to right size. I can see people selling tokens and you get something in return for that. Is that the right form for everything? Probably not. Where i do start to question it is for things like art, digital