Maybe I missed something, but how do you disconnect a person from the internet? One person may have several ways to access the internet, each of them with their

Maybe I missed something, but how do you disconnect a person from the internet? One person may have several ways to access the internet, each of them with their own IP address and even ISP, while someone else shares a single computer with other family members or is using NAT. I see no way to enforce such a law unless you jail the person. What were they thinking?