When you want to transcribe an idea truthfully from the page to the screen, it is not necessarily best to be particularly literal about it. It can be hard to convince people, specifically writers, of that.
ISIS itself, it draws its central belief system from the Koran and from the writings of the Prophet Muhammad. That is undeniable. And it's a medieval interpretation of it. It is a literal interpretation of it.
I think that 'Station to Station' is a nomadic project not only in a literal sense, as it's traveling by train from place to place. Some of these places are New York City or Los Angeles, but some of these places are rather off-the-grid places.