I still don't understand. Who's being deprived? Poor people in slums breeding diseases? Super rich people not developing immunity? Worries about superbugs can't

I still don't understand. Who's being deprived? Poor people in slums breeding diseases? Super rich people not developing immunity? Worries about superbugs can't be the biggest reason people are opposed to high wealth concentration. What's special about the healthcare of billionaires compared to upper middle class Americans? They all use the same drugs, don't they?