The quote from the book is "With any luck, the high-speed rail would be canceled. Musk said as much to me during a series of e-mails and phone calls" They are

The quote from the book is "With any luck, the high-speed rail would be canceled. Musk said as much to me during a series of e-mails and phone calls" They are paraphrasing Elon's intentions. And even the paraphrase sounds like HSR's cancellation would be some nice bonus on top of whatever Hyperloop is trying to achieve, not the primary goal.