This is interesting, how often does that happen ? Do these users know they can delete their posts (assuming no one voted on it)
Another thing I’d like to see is the ability for the user to change the community if they posted in the wrong one.
Same question, how often does that happen ? It's technically possible but difficult and I'm not sure it's worth the engineering effort.
Like I feel like this is more about teaching users to not mess up than coming up with solutions