Bear in mind ‘we’ likely know how to shut down the Iranian grid, the Iranian internet, the Iranian PSTN and Cell networks and their RF comms.
All modern societies, even second and third world countries, rely on the above.
It’s a new sort of MAD - in cyberwarfare.
Again, note the addiction to the fantasy that passing a bill in Congress will stop them.
Eventually someone will do it. Just a matter of time. Our personal plan is off grid solar. Kind of pricey but there is no substitute for electricity.