Is that really any different from other areas of society though? Trains seem simple, but underneath there are layers upon layers of complexity that all need to

Is that really any different from other areas of society though? Trains seem simple, but underneath there are layers upon layers of complexity that all need to work correctly for the whole thing to function. And that's true for pretty much anything, because even though it's kind of brittle and messy and painful to deal with, it's much more efficient than the alternative it replaced, and it's overall stable enough to be useful.