I am writing an epic fantasy story. It is set in modern times but because of a disaster different countries have been cut off and are responding differently to the catastrophe. At some stage they will all meet up and get engaged in the adventure. However people keep getting obsessed with the idea that the story is set in the past just because of the role of the protagonist. I have put in clues like electricity but people keep ignoring it. I keep making changes but it seems to make no difference. Should I change the timeframe?