How about having the mods / admins document why they deleted a post
137259
Require reason for post deletion and un-deletion?
86083
Regular (non-moderator) users should be able to override deletions by Community user
92948
Allow Comments on Deleted Answers
119390
What can cause an answer to get deleted without information about who actually deleted it?
60734
More descriptive "User was removed" explanation
9454
Is there a way to see deleted Area 51 proposals, to learn from what went wrong?
147713
User seems to edit and flag own questions for deletions
157022
Inform moderators migrating a question if the migration would have been normally blocked
101932
Make Seeing Deleted Answers Optional
53033
Please let me know which post a users' vote was removed from when a user is removed
34682
Stack Exchange needs a better way to inform their moderators about feature and policy changes
80919
Is there a way for normal, non-moderator users to search for deleted questions, or could one be added?
142011
Allow retracting a moderator flag if the post has been deleted and I don't have enough reputation to see deleted posts
79653
Building an archive of deleted questions
27944
"This post was deleted and cannot be edited" on audit
24192
Could I be notified when a question I answered is deleted?
60429
Why is the "user was removed" message so vague?