If the current Duke Energy Outage Map is current, and to be believed

Then this incident has demonstrated loudly and clearly how a small group of dedicated terrorists can disable large swaths of the US quickly and readily. It demonstrates that the availability of spare parts and skilled workers is so limited that they can't get one county in NC back up and running. Imagine a more sophisticated and disseminated attack plan.

Link to current outage map (now Tuesday evening, this started Saturday evening):
https://outagemap.duke-energy.com/#/current-outages/ncsc