(actually, I don't know much about this new system to be commenting on it - but whenever I see something with keywords like "database operating system" - my mind instantly drifts to PICK, because that was the first system I used when I started my software development career)
I thought the same - started out using PICK as well. Wow, I thought I was one of the few on HN. Nice to know you!
I felt the same way when "NoSQL", document dbs, etc. came out. Ok, yeah, now we are distributed and massive scale with better tooling... but.. same/similar concepts.
https://en.wikipedia.org/wiki/Pick_operating_system
(actually, I don't know much about this new system to be commenting on it - but whenever I see something with keywords like "database operating system" - my mind instantly drifts to PICK, because that was the first system I used when I started my software development career)