I know it’s not the point of your article, but you lost me at saying you would have a 2% chance of killing millions of people, if you had that intention.
Without getting into tactics, I would venture to say there are quite a few groups across the world with that intention, which include various parties of high intelligence and significant resources, and zero of those have achieved it (if we exclude, say, heads of state).
Amish, the original Foomers.