I don’t think it will go down the same path as Twitter, since Bluesky is open source and available on Github other devs will have the possibility to improve it or create a better version of it but with the more users joining it might necessary to monetize it to better cover the costs. I would love to see everyone switching to the Fediverse but it’s not very intuitive for the average end user with the instances and the fact that you need to target a user and an instance to follow it