And even if you don't value your own health, substituting another warm body in place of a cold one does not undo the suffering caused by disease and death. All those people you don't care about deserve better than your "meh." And thank goodness we have so many people who disagree with it.
We can't change the past but perhaps we can do something to discover more cures in the next decade. Almost 6 million people in the US alone die of cancer every decade. Many people are robbed of a few more good years.