Unfortunately the people at the top of the food chain have eaten most of the fish further down the food chain so the people at the top of the food chain who merely want to dive and look at the fish lower down the food chain are disappointed.
So the locals who financially benefit from us divers may end up losing out if the fish stocks are depleted as the divers won't come. So the Aholes chucking dynamite in the water will cause everyone to end up with nothing.