Earlier quoted context omitted.
Because they remember the past far more fondly than it was and converge the utility they get from the current day with the ideals of back then. The reality is there is far more creative and well produced content on the web and closed platforms today than there ever was in any other point in time. And if you can't find it fast enough, AI can generate direct, customized answers.
No, it is not us "remembering the past far more fondly". Today Google search results yield the same crap without fail. For example, a search for "how do I repair widget X" will inevitable take me to a garbage SEO site following the same patterns. The internet is less useful today than it was 10 years ago. Probably it peaked 20 years ago, before big money completely took over and ruined the place.
Also you can ask almost any LLM model for that type of answer and get it instantly and personalized.