I agree with your point that terrorists aren't a real concern. I love this essay, Terrorism is not Effective which goes into much more detail on this: https://w

I agree with your point that terrorists aren't a real concern. I love this essay, Terrorism is not Effective which goes into much more detail on this: https://www.gwern.net/Terrorism%20is%20not%20Effective https://www.gwern.net/Terrorism%20is%20not%20Effective However sabotage is a real concern against rival nations. Iran basically lost their nuclear program because of sabotage. In world war 2 the Nazis were constantly set back by sabotage in many different areas. There are probably many more examples we don't know about because this stuff is usually top secret. The victims sometimes don't know it was caused by sabotage or don't make it public because it embarrasses them.