If you're asking for a more blog post style exposition, this was also discussed on a competitive programming forum where the authors are active in:
https://codeforces.com/blog/entry/100510
Archive link since the site seems to be down for maintenance at this moment: https://web.archive.org/web/20220309063531/https://codeforce...
Screenshots of the most relevant parts of the discussions: https://twitter.com/BooleanAnalysis/status/14991905346230845...