Governance Under Scale — Part I: Human Override Is Not Governance
In most enterprise AI deployments, “human in the loop” is invoked as a safety guarantee. The presence of a reviewer is assumed to transform probabilistic output into accountable decision-making. The model may err, but the human will correct. The system may drift, but oversight will restore balance. This intuition is understandable. It is also wrong. A human reviewer does not stand outside the system as an independent control plane. They operate within the same delegation structure, subject to throughput pressure, incentive alignment, partial information, and local optimization. Under scale, human override becomes another authority surface—one capable of expanding scope, normalizing exceptions, and gradually redefining what the institution permits. When override is mistaken for governance, supervision replaces constraint, and authority expands faster than the institution’s ability to contain it. ...