Yes, some groups leverage that complexity for their own benefit. Absolutely true. See also: every complex system ever. But some systems are complex because the

Yes, some groups leverage that complexity for their own benefit. Absolutely true. See also: every complex system ever. But some systems are complex because they're complicated. And the net of, say, regulated banking, is socially beneficial. So punish the scummy behavior with the avid prosecution of just laws, obviously.