You are completely ignoring the fact that some countries, some airlines and some 911 centers, many hospitals were not taken down. The reason? The diversity and phased deployments I am arguing for.

> Also you are still ignoring, that for many of these companies they have not have a choice due to compliance requirements.

They have a choice. They could run their system properly. You are arguing for reasons of compliance...When this incident is the clear demonstration being compliant has nothing to do with being secure and robust.