"Railway owns our vendor choices, and we ultimately own this one. Your customers don't care whether the failure was Google or Railway; they see your product. Your uptime is our responsibility, and we'll keep delivering on it."

Kudos to them for acknowledging it and not doing PR speak. It shows it was an architectural failure from their part of trusting GCP, and they are working to fix it. Should they have seen it coming? Yes. But better late than never.