Why OPA and Rego Don't Work for AI Governance

Open Policy Agent is one of the best pieces of infrastructure software ever built. It solved a real problem — how do you enforce authorization and admission control across distributed systems — and it solved it well enough that it became the default answer. Kubernetes admission control, API authorization, Terraform plan validation, microservice access policies. If you're enforcing structured policy against structured data in infrastructure, OPA with Rego is the right tool. The problem is that pe