This, I think, is one reason the air of exclusivity has boosted Bluesky. The same thing was temporarily true for Clubhouse. While it was exclusive, influential people thought of it as a sort of private refuge from what Twitter had become. Everyone wanted in because it briefly became a place where you might hear the cool crowd say something interesting. Then they opened up more and it lost its value. https://www.nplusonemag.com/issue-45/the-intellectual-situation/the-new-new-reading-environment/