This isn't a bug in the system
but a clever built in neoliberal feature. Really shouldn't come as a surprise to anyone who'd looked at the stats and thought about it.
I assume that the same applies for Medicare but that's a little more complicated.
Takeaway, we don't need less inequality, we need more!
The even better news, even though Deaton/Case showed a bit of light on the plight of the white working class, they still live substantially longer than people of color. So be of good cheer- Those People aren't getting your money after all.*
*Actually Hispanics are experiencing lower mortality than the studied white demographic, so only partly true.