Your life depends on millions of people.
You and I need millions of people.
We can’t know them all. We will never meet them all. But, self-sufficiency is an illusion, often an expensive and thinly drawn one at that. The more high tech and comfortable your life is? The more true this is.
I do not care if you have a cabin in the woods. I do not care if you “reject modern medicine” —
This is one of those things I find “obvious” but I can imagine it starting a big argument for some.