45,000 years ago, a Neanderthal man experienced a crushing blow to the head that left him partially paralyzed for life, but his bones healed and he lived into his 30s or 40s, something only conceivably possible with the help of his community.

45,000 years ago.

But let’s pretend that 45,000 years later, we “can’t afford” universal healthcare.

https://humanorigins.si.edu/evidence/human-fossils/fossils/shanidar-1

Shanidar 1

The Smithsonian Institution's Human Origins Program

I can recommend "The dawn of Everything" (listening to the audiobook).

Quite enlightening to learn how many of our (subconscious, unquestioned) assumptions on linear progress, quality of civilization, economy, and justice may be based on anachronistic, self-serving concepts that "justified" the status quo of societies that had serfdom, slavery, or ultra-capitalist exploitation.

https://en.wikipedia.org/wiki/The_Dawn_of_Everything

https://en.wikipedia.org/wiki/David_Graeber

The Dawn of Everything - Wikipedia