If they were needed they could be bought on world markets and cheaply transported to wherever needed. Capital-labor ratios have become equally irrelevant. With the development of a global capital market, everyone now effective borrows in New York, London and Tokyo. There are still rich countries and poor countries when it comes to consumption standards of living, but financing industrial investments doesn't depend upon where they will be built. The whole distinction between capital and labor has vanished.
Human capital is created in exactly the same investment process that creates physical capital.
Labor, if one means unskilled and uneducated workers, simply isn't needed. While these new man-made brain power industries are privately owned, much of the investment necessary to make them into operating realities in public investment. The payoffs are just too far into the future. Yet just such investments are central in determining the winners in an era of man-made brain power industries. The reasons are numerous.