You are still missing the point of the post though, people were using it as designed and as they were told to use it, we had no idea that was unsustainable.
When I moved to Las Vegas 20+ years ago everyone had grass yards and we watered them daily, when the drought started and we were asked to conserve water people started removing yards, watering less, etc. The water authority also uses a progressive fee structure so you pay more if you use excessive amounts. Vegas now uses less water with 2 million people than it used to use with 1 million people. When people are aware a problem exists, especially combined with a disincentive, they will modify behavior.
What you’re doing is essentially saying we were abusing the water system back in 2005 when we were using it exactly as we were being told to.
Had Disney let DAS users know there was a problem, especially if they’d combined that with a deterrent, we most likely could have fixed DAS also.