Neither 10k+ users nor ♦ moderators can read deleted comments, so a deleted comment is as good as gone. The comments, do, however, still exist in the database and Jeff can see who deleted them should there be an issue.

No, 10k+ users cannot read deleted comments, so a deleted comment is as good as gone.

The comments do, however, still exist in the database and ♦ moderators can read them and see who deleted them should an issue arise.