I don’t think those have much to do with it.

Certainly Go is a more rigorous language than say JavaScript but it’s package mangement was abysmal for years. It’s not even all the great now.

C/C++ is the same deal. The way it handles anything resembling packages is quite dated (though I think Conan has attempted to solve at least some of this)

I think Cargo and others have the hindsight of their peers, rather than it being due to any rigorous attribution of the language