HN is a curated site; it always has been. One of the things we have to do, to keep it interesting, is to prevent it from getting too repetitive. If you want to understand more about the principles that this place operates by, here are some links to past explanations. If you read some of those and still have a question that isn't answered there, I'd be happy to take a crack at it.
https://hn.algolia.com/?dateRange=all&page=0&prefix=false&qu...
https://hn.algolia.com/?dateRange=all&page=0&prefix=true&que...
https://hn.algolia.com/?dateRange=all&page=0&prefix=false&so...
https://hn.algolia.com/?dateRange=all&page=0&prefix=false&so...