I think HN&#x27;s dupe detection is a work in progress. I think it&#x27;s currently a bit weaker, which allows good stories to get a chance when reposted.<p>Here&#x27;s a post about it: <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=10223645" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=10223645</a>