Hacker news is becoming a nostalgia site. That direction
is neither good, nor bad. Just a comment.
I'd love to see a plot of median active account age over time.
On the other hand, the amount of political/news related content has also gone down lately. It might also be that people want to think about something else than the horrifying things going on in the real world.
There's an incredible amount of ignorance of what has been done before and why things are the way they are, that I encounter continually