Because the Cajun Navy consists of local volunteers who operate “on the ground” (or above the ground, on the water), they have access to local knowledge that other entities do not. Economist F.A. Hayek’s claim that knowledge is both dispersed and specific to time and place requires that we consider how various institutional structures are able or unable to make use of knowledge.
The government is, at best, another tool societies can sometimes use to good effect. It is not a Deus ex machina that societies can rely upon to swoop in and bring about a happy ending.