That was only a small part of "web 2.0". Just as important were syndication, embeddability and APIs. Web 2 were podcasts, blogs, RSS and pingbacks.

Web 1.0 evolved with user generated content and now more of the world's information is locked up behind a login screen than before.

What this has to do with what is being sold as "web 3.0" is not clear. Blockchains have their uses but it's not the web.