Google can provide a non-rooted system image out of the box for safety, but nothing stops them from providing a clean & rooted image for download that I can fla

Google can provide a non-rooted system image out of the box for safety, but nothing stops them from providing a clean & rooted image for download that I can flash onto device if needed. The security model should already be tight enough so that a dodgy usb outlet does not compromise the core system (rewriting system images).