If a post is deleted by its owner, it shows the status "deleted by owner". If it's deleted by users casting delete votes, it shows "deleted by (names)". If it's deleted through spam or offensive flags, it shows "deleted by Community". But if it's deleted from the low-quality review queue, it just says "deleted". This seems to be by design.
I saw one of these today and was puzzled. Because I'm a moderator on the site where I saw it, I could look at the timeline and see how it happened. But non-moderator 10k users can't. I know that the review will show up in the revision history for the post, but if there haven't been any edits -- a common occurrence on the deleted LQ posts I've seen -- then you have to know how to manually construct the URL to see the revisions.
Could these deletions say "deleted by Community" like spam/offensive ones do? (I think naming the six voters would create confusion, but we don't need names -- just a hint that this wasn't a moderator action or a bug.)