You can search instances and communities with https://lemmyverse.net/communities

As an instance owner and moderator: that’s a horrible way to look at things. Just throwing the onus onto someone else is irresponsible.

I’m all for it as long as people know that posting on something like mastodon and tagging a lemmy community will then make a post in that community. Could make for great discussions, but could also lead to a lot of posts/spam in the communities.

Pretty certain I used these to remove all of my tweets:

Tweets:

https://github.com/Lyfhael/DeleteTweets

https://github.com/lucahammer/tweetXer

Unfollow people:

https://gist.github.com/JamieMason/7580315

Remove likes:

https://gist.github.com/aymericbeaumet/d1d6799a1b765c3c8bc0b675b1a1547d?permalink_comment_id=5255723#gistcomment-5255723

I just moved everything from goodreads to bookwyrm and it was painless.