Causality is a difficult debugging tool for control loops (and even worse in economic feedback networks). Even in a simple control loop, you can know every caus

Causality is a difficult debugging tool for control loops (and even worse in economic feedback networks). Even in a simple control loop, you can know every causal link among individual elements in the system, but it can still be difficult to establish the system cause of why it's going off kilter. In controls, there are at least known mathematical tools for well defined cases - but now expand that to a big worldwide, messy, interlocked feedback networks.. you can again correctly identify many individual causal links.. but be entirely wrong about what is actually driving parts of the system to breakdown. It makes addressing problems at that scale difficult because people tend to argue about individual causal links which are indeed related, but may not be the actual drivers.