When a book is set in the far future and an apocalyptic even has created a clean break from the past, it's easier for a Sci-Fi book to age.

While it is indeed a products of it's time, there any glaring anachronisms.

We take a journey in a broken world with a broken past. While we are subjected to stereotypes the world as a whole is rich and interesting and the plot isn't simplified and doesn't offer simple solutions.