Its a broader perspective that come with age I'm guessing.
Did you forget to update it?
Fill the room your in with dead-body clones of yourself, it will probably take well over a hundred.
Collect all the humans on the surface of the Earth, they'd all fit inside Rohde Island (thanks XKCD). Humanity is a tiny fraction of the mass and surface area of the world.
You've been alive for less than 100 years and only seen, heard, touched or felt the smallest fraction of the surface of the Earth. Met a tiny fraction of the people.
Time wise you're limited to 80? years of cognizant thought. Maybe 90? Humans have been around for thousands of years, and earth has been around for billions.
Yet, we as humans claim parts of nature as our own. My land, my country, my trees, my pet rock. All those things aren't yours and never were.
The poem just imagines what would happen if nature suddenly decided to reclaim what was always hers.
I feel like having Atwood, Ballard & Curtis in a thread deserves some kind of commendation.
The moment when, after many years of hard work and a long voyage you stand in the centre of your room, house, half-acre, square mile, island, country, knowing at last how you got there, and say, I own this,
is the same moment when the trees unloose their soft arms from around you, the birds take back their language, the cliffs fissure and collapse, the air moves back from you like a wave and you can't breathe.
No, they whisper. You own nothing. You were a visitor, time after time climbing the hill, planting the flag, proclaiming. We never belonged to you. You never found us. It was always the other way round.
Margaret Atwood