We've asked you before not to conduct programming language flamewars on HN. If you keep doing it, we're going to have to ban you. We're looking for thoughtful discussion, not stale sniping.
Does that matter? Languages are born of other languages all the time. What matters are the many reasons why languages like Go flourish and what makes them impactful.
I know the didn't invent them. But Go was my first exposure to them, and to date, one of the few languages to give them dedicated syntax. I realize it's less necessary to do so in some other languages, but it was still a very interesting learning experience.
goroutines are definitely unique to go.
I'm sure the approach/style has been done before but this implementation is pretty unique to Go.
What is unique about it besides having the name of the language as a substring?