why the fuck would anyone use GO?

Its 2x slower than javascript, yet the syntax is even shittier http://shootout.alioth.debian.org/u32/benchmark.php?test=all&lang=go&lang2=v8

has no polymorphism http://golangtutorials.blogspot.com/2011/06/polymorphism-in-go.html

shit libraries https://github.com/languages/Go

every language is getting more functional. lambdas/listcomps/generators and infinite lists are being added to languages like C++/javascript/python, while go eschews every advance in language design since 1960

JavaScript is just another uninteresting proof of the fact that, given enough thrust, even a brick will fly. I'm sure that the amount of effort that has been applied to modern JS JITs and libraries exceeds Go by one or more orders of magnitude.