The fact is once investigators had strip-mined all the data from those theories, they still came away with as many questions as answers. Somewhere, there was a sort of temperamental dark matter exerting an invisible gravitational pull of its own. More and more, scientists are concluding that this unexplained force is our siblings.
I think that it's great that such things can now be used for nonspecialists. There's also an article on some recently unsealed letters of Einstein which I'll have to read.