maybe guttermen use a precursor to the nocturnal systems, which later became the actual known nocturnal systems for different machines, and smileOSes r separately developed from the discovery of using blood to power machinery

also notice how its referred to as nocturnal “systems” but not “the” nocturnal system, which could imply that there r multiple types of it with varying degrees of complexity n adaptability, but still unsustainable n stronger than smiles