Postgresql came from adding SQL to postgres (mostly? a research project), while postgres itself was mainly a research project.
For those lazy to click:
How a bad idea starts:- “That looks easy... I could do that.” How a good idea starts:- “That looks fun... I should do that”
Though I've never really heard of folks using OCI runtimes other than `runc` and kata/clearcontainers. (edit: I guess Chromium uses `run_oci`)