"BIND is the de facto standard DNS server"
https://en.wikipedia.org/wiki/Comparison_of_DNS_server_softw...
9 just being the currently deployed version.
A non-wikipedia reference:
https://dn.org/a-comprehensive-comparison-of-popular-dns-ser...
Although this article does state that bind's "configuration files and options require careful attention to detail".
So, maybe it's not appropriate for the modern hype-cycle s/w development model?
In general, I don't think I'm disagreeing with you, so I'm not sure what message the reply is intended to convey.
Technitium seems like another one of those: "My weekend hobby project was to reinvent fire, and the wheel" sort of things, that seem popular on the HN feed.
My favorite feature of bind is "split views". This allows the same service to provide DNS on the local LAN, as well as authoritative DNS to the internet.