There's no real objective measure for either 'conciseness' or 'safety', in general terms. Whether or not it's faster in the real world is yet to be seen, and creeping featuritis has never been the hallmark of a great programming language.
It makes good press release and marketing speak, but those assertions are a long way from making the OP 'wrong'.
It makes good press release and marketing speak, but those assertions are a long way from making the OP 'wrong'.