I agree people tend to be overly negative on HN about projects like this, but the AFAICT the project does not state any caveats about the security and/or where it should or shouldn't be used.
In this case, the project is clearly too new/unstable/insecure to use in any real sense. It's presence as #1 on HN says more about the audience than the project itself I think.
This is an open-sourcing of, presumably, an internal tool used at CodeInterview. It's "shiny marketing site" feels very cookie-cutter to me and I'd be shocked if that wasn't either a template or a very few handful of components from something like bootstrap/similar. And it was posted to "Show HN", which is important given the rules of Show HN [1].
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