800 meters from where I live a comfortable life kids are born into a statistically shorter, poorer life with more disease, more mental unhealth and fewer health

800 meters from where I live a comfortable life kids are born into a statistically shorter, poorer life with more disease, more mental unhealth and fewer healthy years. People there live, on average, 4.5 years shorter than people where I live with something like 10 fewer healthy years. The statistics comparing people born here and there are pretty awful. Despite having the same hospital, infant mortality rate is something like 2x (although the statistical uncertainty is high). How is this not a failure of society? In addition: I live in a country with pretty high social mobility, especially compared to the US...