Dupe of yesterday: https://news.ycombinator.com/item?id=24741627 https://news.ycombinator.com/item?id=24741627. I wonder why the dupe detector didn't pick this

Dupe of yesterday: https://news.ycombinator.com/item?id=24741627 https://news.ycombinator.com/item?id=24741627. I wonder why the dupe detector didn't pick this up? Case sensitivity in the title? Too few points?