I like the approach but prefer it more consequent: every tooling breaks over time, if not statically linked. Even better: no tooling at all. Just files. Means

I like the approach but prefer it more consequent: every tooling breaks over time, if not statically linked. Even better: no tooling at all. Just files. Means HTML then. And self-contained e.g. per year. So you don't need to touch old stuff when changing style or production tool.