At the beginning of last month, a crosspost to a lemm.ee community showed up in my feed - and it would seem that it showed up in mine alone.
I commented, but nobody else did - and nobody seems to have upvoted or downvoted the post either.
IIRC lemm.ee’s closure is older than this account.
If anyone has any insight, I’m a bit curious to know how and why this could have happened.
Otherwise, behold and regale this weird thing that happened for me!


Deleted my comment because you said it better.
And an addendum to this behavior, dunno how aggressive Piefed and Lemmy are for pulling information, but I’ve noticed interactions keep making posts and the skeleton of the community propagate/federate. And albeit rarer, in fediverse softwares that allow following, doing so to someone that interacts with older posts also helps pulling these derelict posts.
Also, while the search function can’t pull posts from when the instance was active, it can pull comments to those posts and that are from still active instances, which then pulls the post and community skeletons.