SEZs are loopholes, and capitalism breathes through loopholes. But like all loopholes, they tend to benefit those who can afford to hire the lawyers who can identify said loopholes.
The French Revolution is a large and complex event worthy of a Gibbon, but it may not have happened at all if the French monarchy had balanced its budget.
Menger's was an analytical method that began with the smallest empirical phenomena and proceeded logically from there. He called this the "empirical method."