Considering one of the goals of the language is simplicity, I don't see how D has solved this problem.
Go's search for simplicity is seen as a solution looking for a problem in the language design communities.
But most programmers are not in language design communities. There is a big potential for a 'safer C' or a 'faster Python'. Yes, that's a simplification, but also how people will see Go.
Why throw away Python's capabilities to execute it faster? Just make use of PyPy.