I don’t get it. How are my friends morally bankrupt for selling NFTs to people like Will Smith or Dubai royalty? Same people who are buying their art to hang on

I don’t get it. How are my friends morally bankrupt for selling NFTs to people like Will Smith or Dubai royalty? Same people who are buying their art to hang on their walls. It’s not like NFTs brought them a whole new audience, it’s just that their existing audience wanted NFTs. You might think NFTs are worthless, but the exact same argument goes for easily reproduced physical works of art.