OpenAI’s announcement of 5 million weekly Codex users - including 20% non-developers growing 3x faster than engineers - validates that employees across all departments now build software using AI tools. While OpenAI’s new role-specific plugins connect teams to production systems like Snowflake and Salesforce, the announcement lacks critical enterprise governance features such as SSO, RBAC, audit trails, data residency, deployment approvals, and agent governance. The author argues that companies need a governed runtime layer running on their own Kubernetes infrastructure with approval workflows and access controls to safely enable this broad-based builder capability.