First I created account there and then landed on my current instance, because lemmy.ml’s admin views looks sketchy for me. Been living in ex-ussr for all my life I just cant accept all that communists and marxists and the fact that lemmy.ml has /c/Communism on it.
I know that’s silly but that’s why I’m not there anymore.
No, you can’t. Your instance will go down, but all your posts and comments will still live in read-only mode on the instances they been federated before.
In mastodon (another activity pub service) you can export your account with subscriptions, but not the posts. So, if it’ll happen, you gotta start from scratch.