Painting things as "narratives" omits the fact that there are, well, some facts underneath the "narratives". Either someone jams GPS signal or they don't. The

Painting things as "narratives" omits the fact that there are, well, some facts underneath the "narratives". Either someone jams GPS signal or they don't. The researches have some evidence that the former is true, so we need to gather more data (or decide that GPS jamming is not a problem - the less likely option).