The article touches upon this. You can phrase it as social media becoming just "media" again. A small group of heavy posters is responsible for the content back

The article touches upon this. You can phrase it as social media becoming just "media" again. A small group of heavy posters is responsible for the content backed by an algorithm that broadcasts it. I think the cognitive effects are already visible. We become lazy, addicted, complacent, distracted and anxious.