[adventured]

It's an interesting consideration. Software is clearly not a primary layer, but neither is oil.

Energy, land, machinery, labor, transport - a few of the things you need to extract and then process oil. The same goes for creating and making a microchip useful. The first oil tower at Titusville didn't use oil as its energy source.

Is oil a layer two product, and software a layer three product? Perhaps, however oil is definitely not primal, it just seems like it is. The vast effort and industry required to make oil useful, along with a century of science, is mostly hidden away from view.