Existing users get an invite every two weeks. Some prominent accounts get a bunch of invites at random. And at times they invite a bunch of people from the waitlist.
I'm not interested in Bluesky atm, but having self-seekers among the first batch of users doesn't constitute a nice PR for the platform.
It worked for Gmail.
Not really. Invitation-only was good marketing, but accounts were absurdly easy to get from the beginning.
Sorry, Jacks launch plan for blue sky is cool kids only for now. (I also do not have an account, but as time goes on my interest wanes).