>>2492351>Who would be against it?Water is a very in some parts of the world. Weastern USA is one such area. Every single drop of water is accounted for and divided up through complicated agreements. This includes rain water. Collecting rain water in those regions is legal only for the cases and uses outlined in those agreements. It is illegal in other cases.
And yes, this insane. But then so is growing food for 570 million people in the desert.