If some comments are hidden in a deleted question engaging in trolling about the Holocaust, they don't appear when I click on "Show more comments": By contrast, it does work on a non-deleted question: I checked the "Recent feature changes", and there's nothing saying that this is deliberate. P...

TL;DR: The primary manifestation of this bug is on posts made by users who are destroyed, where the user has commented on their own post. Technically speaking, though, there are other cases where this can also happen. This happens because the system stores a denormalized (cached) count of comment...