Eh, you may not “know” something like this, but considering it’s never happened in my country in my lifetime at any appreciable scale, it’s probably not very likely, and doesn’t realistically factor into my threat model.
If you want to “worst case” scenario something, that’s your choice, but it’s not very predictive.
If you want to “worst case” scenario something, that’s your choice, but it’s not very predictive.