Here's why:

* Complicated layer of debris: The Anthropocene is characterized by the massive amount of human-produced debris, including plastics, concrete, metals, and other materials, that are accumulating in the environment. This debris is incredibly diverse and complex, reflecting the wide range of human activities.

* Covering most of the Earth's land surface: While not literally covering every inch, the impact of human activity and the associated debris is widespread, leaving its mark on most of the planet's land surface.

* Well organized (to an extent): While it might not be a perfectly structured layer, the distribution of debris is often influenced by human infrastructure, transportation routes, and industrial activity, creating patterns and concentrations that are distinct from natural occurrences.

It's important to note: The Anthropocene is a proposed geological epoch that has not yet been officially recognized by the scientific community. However, the idea of a human-dominated geological epoch is gaining traction and is being actively debated.