Aussie failed attempt at 6% of river flow

The Snowy river has been blocked for hydro dams to an absolute trickle. Even the modest attempt to increase the flow to 6% of historical levels has failed as the state govt tries to flog off the hydro scheme as a going concern for a $billion... a going concern is easy when you get to count environmental costs as $0.00 ....
Australia is a desert, when are the state/federal govts (or shock horror, the average battla) going to start realising this?