Comment by esperent

> Historically in agrarian societies few people reached this point so it wasn’t generally a significant burden to support them

This isn't true.

https://www.campop.geog.cam.ac.uk/blog/2024/08/15/three-scor...

> ...in England, average life expectancy at birth varied between 35 and 40 years in the centuries between 1600 and 1800. It is a common misconception that, when life expectancy was so low, there must have been very few old people. In fact, the most common age for adult deaths was around 70 years, in line with the Biblical three score years and ten.