[0] Mitchell Hashimoto: "Everyone Should Know SIMD" https://mitchellh.com/writing/everyone-should-know-simd
I work for a C++ timeseries database startup that leverages SIMD about as much as we possibly can, and except for some extremely rare places we just use libraries.
However even then, it depends on how the libraries API surface looks like.
Unless this was tongue in cheek, because this is in fact a problem with AI that it degrades your codebase in these types of ways.
"CGO 2022 Keynote: Compiler 2.0"