There are vast amounts of Go code available in the wild to study. Open source is a thing. If the Go team wants to see what features are used, go audit open so

There are vast amounts of Go code available in the wild to study. Open source is a thing. If the Go team wants to see what features are used, go audit open source Go code. Since Go is also a Google thing, they could likely audit the presumably large sums of Google Go. Yes, you will miss unknowable amounts of code this way. Who cares?