As pointed out in sibling posts, it is a (very charming, IMHO) work of fiction, and as such the librarian could be considered an unreliable narrator rather than

As pointed out in sibling posts, it is a (very charming, IMHO) work of fiction, and as such the librarian could be considered an unreliable narrator rather than a fact-checking journalist. A little artistic licence goes a long way and although it may not be exactly how modular synths commonly work I think it was a nice literary device to build wonder around what the machine can do.