Journalist here. While I love that there's a discussion about burying the lede on HN, the practice you reference is known as a kicker. It's a last thought that

Journalist here. While I love that there's a discussion about burying the lede on HN, the practice you reference is known as a kicker. It's a last thought that is meant to twist, undercut, or add complexity to the narrative thrust of the story. The best ones add a ton of value to stories and reward people who read to the end.