Song of the Younger World - S2-E20
Factual error: It's the 1800s, but Amy's skirt has a 20th Century zipper running down the back. (00:05:15)
Song of the Younger World - S2-E20
Factual error: The 19th Century reformatory has modern electric light bulbs hanging from the corridor ceilings. (00:21:10)
Answer: They live in a totalitarian state where people who are deemed too smart (and therefore a threat to the authorities) are done away with. That's the point of the test, to eliminate potential troublemakers.
Brian Katcher