Sir, you hardly know me! Disagree fine, but don’t assume my pedigree.

FWIW temporal tables, and time travel are real things available now and they are built very similarly to ZFS versioning.

If we are truly trying to make a highly scalable distributed website, we wouldn’t be querying a database directly, would be using something distributed. Like foundationDB, or memcached. And we would have to modify our approach somewhat, but these are still solvable problems. The architecture and the requirements are tightly coupled. But we can’t make assumptions and rule out solutions at the whiteboard stage.