Lots of good points here. I particularly like the "dark triad" bit, though I think a lot of nuance around different types of likes/upvotes/whatever is missing. It makes a difference whether those are shown to others and/or used to sort others' feeds. That last point is very close to montenegrohugo's about algorithmic feeds, with which I completely agree. Algorithmic feeds , especially those which show content from pe…
Most social media platforms do the exact opposite, and intentionally at that. The whole point is that there's (practically) no end to how much you can consume, you can ruin your life on one site alone. Notably, HN and Metafilter don't have ads, but the incentives are clearly very different for almost any other social network.