Then you'll find that in many cases, these "real costs" are too high for many who need it, leading many low margin services to stop being offered and many consumers turned away. Hardly a win.

Complex subsidies can broaden the market and serve the underserved, that's a win. It's classic engineering arrogance to dismiss all complexity as unnecessary or harmful, as if the economy is a passion project that should not deign to serve those who can't or won't bear the full cost of each individual product.