I think the other way around is worse. I don't know what are you reading, but we can put some easy examples, Mary Shelly's Frankenstein to say something, In it's time it was a scifi book that people could genuinely be afraid of, but nowadays is just not believable. But what makes it interesting in my opinion is that it is a portrait of the historical context, that let us see what was normal back then. Imagine reading about a real state seller who is about to give up on a important sale just because people is superstitious, and how different it feels now that everyone knows who that Count Dracula guy is...