Instrumentality in Evangelion isn't a software problem—it's a flesh problem.

This matters because it tells you exactly what kept Japanese creators awake in 1994.

The AT Fields exist as a biological boundary, literally the space that separates one body from another. Seele doesn't deploy a virus or a broadcast signal—they deploy a god-sized organism that dissolves the membranes holding individual bodies intact, liquefying people into a collective soup, and the show could have made instrumentality a neural network, but Hideaki Anno makes it visceral instead: bodies merged, organs shared, the boundary between self and other physically erased.

Watch the scenes where the LCL fluid rises—the production design treats this as a biotech catastrophe, not a digital one. The imagery borrows from medical horror and embryonic development, primordial and humid and inescapable. Japan's economic ministers were discussing trade liberalization and foreign investment in the same years this anime aired, and what Evangelion visualizes is the terror that accompanies that negotiation: the fear that "opening up" means your body stops being yours.

The Eva pilots resist not by logging off or encrypting data—they resist by maintaining their AT Fields, biological sovereignty, the last boundary that can't be negotiated away or digitized. Shinji's final rejection of Third Impact isn't a philosophical stance, so there's no technological solution to instrumentality, and you either maintain material separation or lose yourself to the absorbed mass.