It’s been out for less than ten days and it already has more than 35x the number of total users as Mastodon. It might not be for us, but saying that no one would want to use it is just sour grapes.
While we on here makes it look like there are a ton of people who value their privacy on the internet, the general population by large isn’t really aware how bad it is or have the know how to do something about it. The rest who do know don’t really care that much.