What the author of this article seems to miss - and I'm not sure how - is that the whole purpose of this genre of fiction - speculative alternative future - is

What the author of this article seems to miss - and I'm not sure how - is that the whole purpose of this genre of fiction - speculative alternative future - is to prevent the future in the novel, not to be able to look back 70+ years after the novel is published and say, "Called it."