>Duplicating the object would mean the discussion is split between objects. The ideal implementation would be the **same** object present in multiple categories/communities. Is there desire for this in the threadiverse?
If the link goes to a controversial news article and it's get posted into pro- and against- community/group the comments will spiral out of control and it won't be a pleasant place.
Maybe it could be implemented as a toggle per group/instance within one fedi software. It shouldn't be in Activity Pub protocol.

ludrol@szmer.info
@ludrol@szmer.info
A forum for discussing and organizing recreational softball and baseball games and leagues in the greater Halifax area.
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What would cross-posting between instances look like in ActivityPub? -
What would cross-posting between instances look like in ActivityPub?As far as I am aware Lemmy doesn't have cross-posts like you are imagining. There are two parts to this: 1. There is an indicator if there is other post that links to the same website/image. 2. Crosshposts are just a copy of the text with quote markdown.