Instead of appealing to authority, maybe you could link to some actual arguments by these luminaries. If you're interested in Rob Pike's take on Go, he express

Instead of appealing to authority, maybe you could link to some actual arguments by these luminaries. If you're interested in Rob Pike's take on Go, he expressed regret over initially calling Go a systems programming language, because it gave people the impression that it was appropriate for writing operating systems. He prefers to call it a "server writing language" or a "cloud infrastructure language." @6:45 in this panel discussion: https://channel9.msdn.com/Events/Lang-NEXT/Lang-NEXT-2014/Panel-Systems-Programming-Languages-in-2014-and-Beyond https://channel9.msdn.com/Events/Lang-NEXT/Lang-NEXT-2014/Pa...