What are the key takeaways from “Le virus le plus flippant de l'Histoire” on Micode?

What is this episode about?

Stuxnet, a sophisticated computer worm, marked the dawn of state-sponsored cyberwarfare by physically sabotaging Iranian nuclear centrifuges. By exploiting four zero-day vulnerabilities, the weapon bypassed air-gapped security, proving that digital code can inflict kinetic destruction equivalent to traditional military strikes.