My thinking was same as the parent. Preventing access would involve telling someone who owns a computer and could, for example, connect to public wifi, that the

My thinking was same as the parent. Preventing access would involve telling someone who owns a computer and could, for example, connect to public wifi, that they are not allowed to do that and will be punished for doing so. I think this would be relevant to someone who has committed a crime using a computer and remains banned from using the internet even after finishing a prison sentence (like the kid in the movie Hackers). It doesn't sound like that can happen now.