You should read "The Machine Stops" by E. M. Forster. Also, "Pump Six" from "Pump Six and Other Stories" will also do fantastic job of diving into this "forgetting how to maintain them" reality.
Any similarities with the real world are surely coincidental.
Or only make sense when looking into source code that is long gone
Instant messaging, video calls, the internet…
I serve the Omnissiah.
- Chapter 17, A Deepness in the Sky