Heuristics in the Loop
The current dominant paradigm is “human in the loop” — ensuring a human reviews and approves AIArtificial IntelligenceSystems that learn, adapt, and act with real-world impact actions. This works at low volume. It does not scale.
When an AIArtificial IntelligenceSystems that learn, adapt, and act with real-world impactagent is processing thousands of decisions per minute, no human can meaningfully review each one. “Human in the loop” becomes “human rubber-stamping the loop” — a governance theater that provides legal cover but no actual oversight.
Biology doesn't put a human in the loop for white blood cell decisions. It doesn't convene a committee when a cell needs to undergo apoptosis. Instead, it puts heuristicsin the loop — encoded rules, evolved over millions of years, that operate at the speed of the system they govern.
The immune system's heuristics are sophisticated: pattern recognition, memory of past encounters, graduated response, tolerance learning, escalation protocols. They're not perfect — autoimmune disorders exist, allergies exist. But they operate at the speed and scale of the threat landscape.
For AIArtificial IntelligenceSystems that learn, adapt, and act with real-world impactgovernance, the equivalent is not removing humans from oversight. It's recognizing that the governance framework itself — the set of rules, observations, and consequences — must be present at decision time, at the speed of the agent, embedded in the operational environment. Not reviewed by a human after the fact, but available as context when the decision is being made.
The human role shifts from approving individual actions to designing, tuning, and auditing the heuristic framework. This is exactly what happens in enterprise security — the CISOChief Information Security OfficerExecutive responsible for information security strategydoesn't approve every firewall rule in real time. They design the policy, deploy the system, and review the outcomes. The governance operates continuously at machine speed. The human operates at strategic speed.
The principle: Governance frameworks, not individual humans, must be present at decision time. The human role is designing and auditing the framework, not rubber-stamping individual decisions.