This seems to me to have the exact same problem that projects like Mastodon have, which is that people use social media because other people they know use socia

This seems to me to have the exact same problem that projects like Mastodon have, which is that people use social media because other people they know use social media. You can point out all the benefits the alternative sites have, but at the end of the day, 99% of people aren't going to want to completely start over on a new site that isn't going to offer anything that they can't already find on an established platform.