Of course its a luxury, but its a cheap and easy one. It can and should be considered a "solved problem" in the "developed" world that this luxury can be extended to all. Letting go of this luxury has health implications to society far beyond the poor it directly effects.

When we have no problem spending billions on foreign wars with dubious moral justifications but can't provide clean water to citizens we have serious priority issues. Its the first really dangerous symptom of what might be a truly horrifying underlying disease.