The point of the article is that limited resources are countered by human innovation. And human innovation is driven by population. In a small town, there may

The point of the article is that limited resources are countered by human innovation. And human innovation is driven by population. In a small town, there may not be enough people interested in computers to even form a club; in a big city, you can find enough interested, talented people to form a business many times over. The explosion in wealth generated by large populations is not something to be discarded lightly.