You reach for Web3 when your requirements include: (a) self-sovereign ID/auth, and/or (b) hosted materials that can't be censored via a centralized hosting provider. Horses for courses. ps. Does he think Web3 is about storing data on the blockchain network? It's not. Ex. https://ceramic.network/
Sometimes bloggers gotta blog, even when they just know a little bit and are just regurgitating an iteration of their preconceived notions. Edit: Of course you get voted down because you make a substantive comment. Welcome to Hacker News' Crytpo Hater Crowd.
"Comments should get more thoughtful and substantive, not less, as a topic gets more divisive."