There's no reason to try to draw the distinction you're trying to draw. You're starting with ideology and proceeding to practice, which is a bad idea. There's

There's no reason to try to draw the distinction you're trying to draw. You're starting with ideology and proceeding to practice, which is a bad idea. There's a tremendous benefit to society in providing clean water, and also in providing medical care, for the same reasons. Preventive medical care generally has a negative cost to society; treating diabetes from the beginning is cheaper than amputating limbs, transplanting kidneys, etc.