I own what I create physically.
When I finish my first watch, I own it. I made it, I own it.
It’s not tied to the land, it’s not something that anyone else can buy, because it’s something created from materials. Materials I must purchase, of course, but their end result worth hundreds of thousands of times more than the base components.
You are a bit myopic in thinking. You’re only thinking within the current system you’re a part of, this discussion wasn’t created to explain that system further.