I think a lot of this has to do with the lack of stable groups of a size that enables social effects and feedback to dominate - things like guilt, shame and rec

I think a lot of this has to do with the lack of stable groups of a size that enables social effects and feedback to dominate - things like guilt, shame and reciprocity. Without this sort of group interactions become much more stressful and we don't feel like we belong. https://www.newyorker.com/science/maria-konnikova/social-media-affect-math-dunbar-number-friendships https://www.newyorker.com/science/maria-konnikova/social-med...