>We eradicated smallpox for everyone, without distinction between rulers and ruled. Notwithstanding the daughter comment that disproves this, try substituting

>We eradicated smallpox for everyone, without distinction between rulers and ruled. Notwithstanding the daughter comment that disproves this, try substituting 'smallpox' for 'cancer'. Cancer treatment is by no means available to everyone, or even the majority, yet it extends lifespans (of good people and dictators alike). Should we not have developed treatments for cancer?