Startrek.website purged their bot accounts a few days ago. I asked the admins how the did just in case it’d be useful for other admins.
Here’s a link to their response (from @williams_482@startrek.website ):
https://startrek.website/comment/172094
Warning … I make no claim that this is at all sound advice, and williams_482 themselves warn that you need to make sure you know what you’re doing … as it seems they ran some direct delete commands over their database.
Oh, just made a related post with a script for this.
https://lemmy.ml/post/1517495