Earlier quoted context omitted.
The difference I'm trying to discuss is when humans started molding the world to our desires in the forms of agriculture, raising animals as resources, and interfering with ecological cycles. You are right, living in the natural world today would be impossible for most people, requiring generations of local knowledge spread across the community. I should have clarified my meaning of complexity as that which is purely…
Maybe the key difference is that natural complexity asks for adaptation, while human-made complexity often asks for submission
A: If you eat this plant before boiling it, it kills you. By boiling it first, I've submitted to natural complexity.
B: If you touch this wire without turning off the power, it kills you. By turning it off first, I've adapted to artificial complexity.
You're just picking between two near-synonyms based on how one sounds scarier.