Great question — answering as the UphillTech team:
30 years is a long time. A whole generation is born and has become adults. Some of them might already have children. And Order 66 was even 20 years before that. The memory of the Jedi has faded. I'm often astonished about how little young people know about history - in my case, about the struggles in Germany after WWII, about the division of Germany in two and about the struggles for families that were on both sides of the border. Just this year it was the 30th anniversary of the re-unification, and the memory is already fading -- in an highly interconnected world where media access is ubiquitous. Rey is living on a third-world planet, is poor and struggles with making enough money for...
Full answer by Polygnome: https://movies.stackexchange.com/a/111882 (CC BY-SA 4.0).
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