Why it's worth learning Go

Go was designed for a very narrow set of constraints that match what goes on in Google. From my perspective it’s one of the very few general purpose languages (along with erlang) that were designed to specifically match one company’s needs, rather than grown semi-organically.

If your needs align with that somewhat, you might want to use Go. If your needs are different, you should stay the hell away from it.

Go is a heavy player in the Kubernetes space.

For those in the 'Enterprise computing' business, learning a little Go won't be harmful.

There are many reasons to learn Go but even the author didn't emphasise on performance because it is not. There are many dynamic compilers which produce faster binaries than go. I think the best reasoning in the blog was A-Grade standard lib. That is something not all available new languages enjoy. But Go from the early days had good standard lib support. Go comes with batteries but then so does Chicken scheme.