alt Hacker NewsBlogs kinda dwindled in importance as a whole. Substack brought it back to a degree, through email distribution, which is a more familiar technology to regular people compared to RSS. But even Substack is becoming more of an algo feed based social site nowadays.
You are talking about bookmarks and stuff but that's not how regular people use the internet. They open a handful of social media apps and scroll whatever is shown to them.
That's not how they use internet now - because they can't!
They used to. Even Internet Explorer had RSS support. Sites had RSS icons and even instructions for undecided.
In my surroundings both young and old users loved to discover new sites and catalogue them. Bookmarks was one of the most important things to back up.
Del.icio.us was a thing, and a quite popular one.
I think modern Internet will reach a point where users will notice small web is the only thing worth their time, full circle.