Why do suspension bridges have stranded cables not solid rods? The major reason is that solid rods would fail suddenly and catastrophically, whereas stranded cables fail slowly and make alarming noises while they do. We build software systems out of solid rods; they fail abruptly and completely. Most are designed to perform their tasks as fast as possible, so that when they are compromised, they perform the attacker’s tasks as fast as possible.
David Rosenthal on.
This is actually from a talk about the externalities of cryptocurrencies, which is worth watching and/or reading in full.