On June 12, 2026, Anthropic cut off access to Fable and Mythos. The infrastructure remained. The capability did not.
The immediate explanation was political.
The more interesting finding is structural.
The case revealed that the critical dependency was not where many AI sovereignty debates assume it is. Much of the discussion focuses on data centers, cloud infrastructure, or local deployment. The intervention happened elsewhere.
As a result, the question of control changes as well. An organization can operate infrastructure, integrate workflows, and build processes around a capability without actually controlling the continuation of that capability.
At first glance, the case looks like a political exception. In reality, it exposes a structural bottleneck.
The critical resource is not the infrastructure.
The critical resource is access.
Whoever controls access increasingly controls the continuation of the capability.