That might be the case in California. But those are American, first-world throats that are potentially parched by drought. Or more to the point, American, first-world swimming pools and golf courses.
But given the choice between the billions that have been sunk in AI investments taking a hit through lack of progress, and choking a few million developing-world paupers to death? I suspect I know the decision that will be taken by those with the power to decide.