It's mostly books and blogs: I like to read a lot. Also, your guess is correct, my dad is a computer scientist.
Todays internet is a cat litter spilled all over the floor.
Some recommendations:
https://www.youtube.com/@CodeAesthetic/videos
https://www.youtube.com/@ThePrimeTimeagen/videos
If articles are more efficient, then it means there are plenty of nonsense in books. I don't think good books are filled with a lot of nonsense, if they are, then they are not good.
However, it's a fact that there are a lot of books which are collections of many trivial topics, collections of unrelated articles.