I think it’s pretty safe to say that the majority of us are here to avoid another corporate takeover of our preferred platforms. It would seem to me to be a tad irresponsible to allow Facebook into our space with open arms, allowing them to hoover up our data. I would love to keep using Lemmy.world, but will happily change instances if need be, and I feel many share that sentiment.
They are not going to defederate.
Here is a tool that lets you migrate your account settings (blocked users/instances, followed communities etc.) to a new account:
https://github.com/CMahaff/lasim