Well, I was rooting for her because the story paints her as the hero; and because not being able to think of a falsifying experiment for your favourite theory is pretty damning.

Honestly I don't understand the specifics of the theories, and I wouldn't know if string theory is actually not falsifiable.

On second read I realise that this is a straw-string-theorist ready to be knocked down. It was still an enjoyable read though.