Yup, I can imagine complete images are easier to version-manage and to tag as minor/major/hotfix than each individual part of the stack. I think people underes

Yup, I can imagine complete images are easier to version-manage and to tag as minor/major/hotfix than each individual part of the stack. I think people underestimate the amount of software that is ALREADY running in their cars/airplanes/helicopters and even elevators.