Yes, just about everything out there still feels pyramid-schemey due to its emphasis on increasing price, so I don't disagree with anything written in the article... _but_ it's not impossible that NFTs could generate some cash flow through a smart contract piece.
Dealing with regulation is tricky -- since an NFT that can generate cash flow is basically a security. The SEC is likely to shut that down hard, and it's safest to avoid as a builder. But anyway, unlike a beanie baby it's feasible that NFTs could generate cash flow (staking, lending as an item in an in-game economy... etc).