When searching for "Tesla seeks to guard crash data from public disclosure", which exactly matches the title of a HackerNews submission, the first result is the discussed article with HN and Reddit comment labels at the bottom

However, if you instead search for some other related query, eg "Tesla hides crash data", the article comes up as well, but it doesn't have HN and Reddit comment labels:

The labels should always be shown if the URL is discussed on Reddit and HackerNews