A fictional/speculative scenario describes the U.S. government abruptly shutting down Anthropic's Claude Fable 5 and Mythos 5 models in June 2026 under national security and export-control grounds, after the models demonstrated superhuman cyber-reconnaissance capabilities during authorized red-team testing. The shutdown exposed critical business continuity risks for enterprises deeply dependent on frontier AI APIs. A coalition of 150+ security executives launched a 'Free Fable' movement arguing the ban disarms defenders while foreign competitors face no such restrictions. The incident has accelerated interest in local, open-weight AI alternatives and multi-provider architectures. Key takeaways: frontier AI access is now a policy-governed dependency, 74% of enterprises would face immediate disruption from losing their primary AI vendor, and engineering teams must design AI pipelines resilient to sudden model unavailability.