It may not be beyond discussion in principle but when something has been discussed many times, there's a power-law dropoff in how interesting it is, in HN's sense of the word.
https://hn.algolia.com/?dateRange=all&page=0&prefix=false&so...
https://hn.algolia.com/?dateRange=all&page=0&prefix=false&so...
https://hn.algolia.com/?dateRange=all&page=0&prefix=true&sor...
From that perspective the flags are understandable.
Fair point Dang, and it seems it's been flagged twice so the community has spoken and I'm fine to abide by that. :)