I am a bit perplexed. I think there is a mechanism to prevent duplicate postings on HN?! Wonder what happened to the filter? I posted this same article earlier

I am a bit perplexed. I think there is a mechanism to prevent duplicate postings on HN?! Wonder what happened to the filter? I posted this same article earlier: https://news.ycombinator.com/item?id=11928990 https://news.ycombinator.com/item?id=11928990