> He created Go because he believed that the average Google programmer is too stupid to program in C++, and he didn't like Java, the other language created to address this problem.

It is more nuanced than that. Created Go because:

a) C++ deemed excessively and unnecessarily complex, overloaded with features, increasingly difficult to manage

b) Very slow compilation times

c) Wanted a language with built-in concurrency (neither C++ nor Java qualified)

d) Enable fresh-out-of-university team mates to be effective