As organizations grow from one account to two, then five, then dozens of AWS accounts, they reach the same inflection point. "If the platform team has to manually cut an account, architect a pipeline, and hand-code security baselines every time a developer creates a new service, the team will spend all its time on someone else's infrastructure setup. How do we enforce standards without making developers wait?" This tension — the tug-of-war between governance (control) and self-service (speed) — is the essence of multi-account enterprise CI/CD. Today, we examine a realistic organization: 50+ microservices, 60+ AWS accounts, 100 developers, 5 platform engineers