Great ideas have been disappearing for a long time...
“Hey, Ungaunga, Hold ma club and watch this!”
Dare we mention the Darwin Awards on this thread? Oh, no!
Like concrete. The Romans had it, a Brit rediscovered it 1200 years later.
If all you have are sticks and rocks, you’ll figure out ways to use them in ways that would astound us enlightened folks. Nothing new under the sun. Human ingenuity abides.