I blame myself. From the moment I saw there was a Silo episode coming titled “The Book of Quinn” — after so many episodes where the mysterious Salvador Quinn’s name had been dropped with a mix of awe and fear — I began anticipating a flashback episode, taking us back to Silo 18’s distant past and bringing us some long-awaited answers about the silo’s history. And really, wouldn’t this have been a good time for a flashback? With tensions high in both Silo 18 and Silo 17...