This is more "Internet article of faith" than actual fact; it's something people say because it was said in some blog post once. For whatever it's worth to you, I've been a systems programmer since ~1995. The lingua franca of systems programming is C; Golang's type system is strictly superior to C.
It is more "direct observation" than "internet article of faith". I know one person who likes C and go. Every other go convert I know came from a scripting language. Golang's type system is strictly inferior to D.