Just wondering, does the SE enduser ever get any feedback when a moderator action has taken place, such as a post deletion? I don't see anything on the sites nor the metas which indicate this.
Background story: I've been a moderator for 5 years on GoT where the moderation took place with pretty high standards. Professional feedback to the enduser was extremely important. There were tools and templates to send users a decent mail or private message whenever the user abused the forum rules in some way which was followed by a moderator action. In case of a post deletion, the message just contains some introducory explanation in a neutral tone as to why the post was deleted and what actions the user has to take instead. This worked in general very good and the endusers were happy to use the forum.
Are you doing this on SE sites as well? If I was such an user and my post got deleted without any notice, then I would really not have been happy. This way users with good intents would be scared away.