Comment by outworlder

> That's, gasp, actually how it already works.

Right?

Armchair software engineers are so incredibly annoying.

Postgres codebase is a shining example of good engineering. They walk a very fine line between many drawbacks. Code is battle tested (and surprisingly readable). Not many people (or groups) can do much better - and if they think they can, they are probably going to learn a lesson in humility.