Social networks aren't that social anymore. Around 65% of the facebook content is not shared/generated by your friends in your social graph. So they're all just a Tik-Tok clones basically. Short dopamine addiction info-snacks with more and more AI generated slop. (and some of the slop is interesting like Cold War military tech stories from books read and visualized by AI).

The network effects doesn't matter that much for the Tiktok's of the world.