New posts should be in a general, catch-all section. OP could suggest a community/tag but it wouldn’t appear there right away. Other users can tag the post for a particular community or label it SPAM/Troll/Abuse.

If enough users tag a post for a community, it shows up in that community feed.

New users can’t tag until they reach a threshold of comments/posts that are positively received—not SPAM, has upvotes, replies.

This will enforce a level of moderation even when the community mods have ghosted.

There would be no cross-posting per se. Posts could be tagged for multiple communities but must reach a certain amount of tags for each community before it appears there.

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[–] 2 points 7 months ago

A tagging-based social media is an interesting idea, but for something as discussion-focused as Lemmy, I don't think it'd be a good fit as a primary algorithm/sorting system. Individual communities are just too different, and often serve different purposes. For example, while political memes and non-credible defense share a lot of content, one is a more serious and focused on governments and systems, the other is absurd and comedic and focused on militaries and their equipment. Their comment sections need/have entirely seperatre rules and shouldn't be mixed. That said, a more in-depth tagging system would be handy for searchability and browsing.

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