But as you add complexity, the corresponding benefits increase slower (diminishing returns), or things actually start getting worse.
I'm pretty convinced that Windows is past the peak of the curve. Microsoft puts tremendous amounts of work on Windows, and every new version seems worse, with only marginal gains.
And the mainstream enconomy is well on its way to collapse. No matter how much regulation gets added, how many more financial instruments get created, how much more sophisticated things get – it's just going to crash and burn. Whole countries are going bankrupt. There is nothing they can do except leave the mainstream economy altogether.