It is not the entire Internet...but most Windows based systems in large companies are affected. Most of the Internet infrastructure actually runs on Linux. There are likely holes in Linux that could as easily have the same affect too. This just demonstrates the problem with a monoculture. Whether agriculture or computers it is a bad idea
It was also only Microsoft systems running the crowd strike security software. My employer does not run crowd strike, and we were fine. However, we couldn’t access some of our vendors systems to place orders, check, status, etc.