Comment by ativzzz

A lot of this is also recreating tooling. A mature framework like Ruby on Rails solves things like

> "when I hit save, my data disappears."

out of the box, because it has evolved to make these things automatic and easy to implement as part of its convention. Whatever full stack JS framework is hot for startups these days doesn't do this out of the box because it hasn't been around long enough and focuses on other things.