As a counterpoint, I have many times had to interact with the those technologies, and thus been able to use their source code as packages and/or learn their sou

As a counterpoint, I have many times had to interact with the those technologies, and thus been able to use their source code as packages and/or learn their source code techniques which I have then used in my own Go programs. What does that prove? it proves that no single developer's anecdotal evidence can be used to validate a broad-brushed claim like "The language they are written in is irrelevant."