The same story has been in the top 10 on HN for 2 hours.
https://news.ycombinator.com/item?id=13155146
How does a duplicate go straight to #1?
https://news.ycombinator.com/item?id=13155146
How does a duplicate go straight to #1?
Not sure that speaks well of HN readers. I can see a few people missing it, but dozens...
Dupe: https://news.ycombinator.com/item?id=13155146
It serves as a note to others to comment on the other submission. No magic. Sometimes a mod will come by and clean up comments and mark the submission title.