Earlier quoted context omitted.
2-4 million gallons per day is a lot of water to piss away for some chips that go out of fashion in 5 years.
The water doesn’t disappear. It stays h2o
If the economics of water didn't matter, we'd be happy to build nuke power plants and run condensers all day to get it, but the reality is the marginal cost of water determines the feasibility of vast sections of economic activity, and that determines the fortunes (or not) of people and their leaders in concrete ways.
This is also true of other natural resources of course - oil, iron, coal, uranium, etc.