There's not much substance in the reply there, on one part there's this argument: > Go programs are fast enough for Google, Netflix, Stripe, and many other lar

There's not much substance in the reply there, on one part there's this argument: > Go programs are fast enough for Google, Netflix, Stripe, and many other large Internet companies… it’s probably fast enough for you Which of course is an appeal to authority. Overall, it's pretty well known that a GC language will have downsides in perf when compared to system programming languages.