This is very a common & a very hard to completely avoid bias your entire life. I had tenured (internationally renowned) math professors at university that would sometimes intuitively react like that to stuff in everyday life. Cut people some slack.

> Cut people some slack.

yes, I agree, that's what I was advocating: HNers with a personal anecdotal axe to grind frequently throw away the value of good posts because they have just have to grind their axe axe again. Whether social media is harming children's development is an interesting and importat question and if of a scientific nature, so people here should cut the researchers some slack and at least read the evidence at face value