I think OP is talking about Shifting Baseline Syndrome[0].

> A shifting baseline (also known as a sliding baseline) is a type of change to how a system is measured, usually against previous reference points (baselines), which themselves may represent significant changes from an even earlier state of the system that fails to be considered or remembered.

[0]: Wikipedia: https://en.wikipedia.org/wiki/Shifting_baseline.

[1]: Earth.org article that reads nicer: https://earth.org/shifting-baseline-syndrome/

The average person's ability to acquire food from nature (farm, hunt, gather) and cook it for themselves.

The average person ability to make and fix their own tools. Build and fix their shelter.

Free range childhood.

Average person getting dirt under their fingernails.

Being in sync with sunlight cycle.

Stargazing at night.

These are off the top of my head (I'm not op).

Being able to see stars in the night sky

Sure, here's one!

https://news.ycombinator.com/item?id=47815127