I think all there's to get from these posts is that: Presumption: Writing Go code is more fun than C++ code. Demonstration: You can write performance Go code

I think all there's to get from these posts is that: Presumption: Writing Go code is more fun than C++ code. Demonstration: You can write performance Go code that's not too far from C++ code. Result: Cool, here's a more fun than C++ language I can use as a step down the complexity path when I need performance. Or like tptacek said.