I have the same feeling, that's why I decided to filter out all that noise for myself, and created this blog: https://rubberduck.so
I read the posts every day and filter out "amusing" topics and keep the ones that I actually come back to read again later. It is published on Mondays and updated every day with the articles from the day before https://news.ycombinator.com/front
I respect Peter Norvig as a programmer and a problem solver. I've taken a course taught by him in the early mooc days that I really enjoyed.
What I don't understand how does something like that makes it to the top of Hacker News.
I used to visit HN to get smarter, lately I feel that I am getting dumber.