I'd suppose that on a personal level and for HN, activity also changes with experience. I've been passively reading HN for a few years as a junior dev after my

I'd suppose that on a personal level and for HN, activity also changes with experience. I've been passively reading HN for a few years as a junior dev after my team lead introduced the site to my before even creating an account. I've been making comments on a few topics of interest now and then in the past three years. Since a few months I feel like "yeah, I should probably write some docs + blog posts" which might be interesting to other HN readers. I've also noticed that some HN users write a lot of comments to any kind of post whereas others mainly commment on articles related to their are of expertise.