I think I agree but with the point "Isn't this a solved problem?" I'm not sure if the first library should be written in C, Rust, C++, etc but it seems as though very similar libraries-but-in-different-languages are being repeatedly written.

I certainly get that a good library yesterday might not be good today or that an existing library's style might not meet this language's style but I doubt the need to rewrite existing libraries so often. Even with the much-maligned PHP, libraries were frequently bindings to other libraries.