Agreed linkbait, but I would have to say that people do care enough to act. To pretend that a huge population doesn't give a shit about water usage is a gross misrepresentation of the facts. I agree that California is not the model of water preservation considering the climate and water available to the geography. When statistics point to the fact that only a fraction of the water used in California occurs from lifestyle behavior, stating that the issue is lifestyle changes is failing to take into account any other information than pure speculation. The numbers regarding agricultural usage vary, but in most cases the amount used by things other than directly attributable to people is far less when compared to agriculture or any other source of usage[1].
The lifestyle changes that would need to occur to stem California's water usage are far more extensive and could easily qualify as a scientific dilemma. Basically non-california citizens are the "problem". When you're talking about drastically altering the diet of the entire U.S. (most likely other nations as well) due to the water being consumed by Agriculture it is absolutely a scientific dilemma.
[1]http://www.scpr.org/news/2015/04/15/50941/10-things-to-know-...