This community is still small with a high signal to noise ratio. It's kind of like the old saying about people being mindful about garbage in cleaner cities and careless in messy cities.
Point being, more comments is not always a good thing. It takes a lot of effort to post something thoughtful. I'd prefer one sincere thoughtful comment to a thousand people parroting some variation of "in Russia, comment writes you". I do miss slashdot tho...