The numbers aren't really illegal. The information that can be encoded via the number might be illegal to use/disclose/share. For example, you can take a reve

The numbers aren't really illegal. The information that can be encoded via the number might be illegal to use/disclose/share. For example, you can take a revenge porn video and convert it into a number (like you can with ANY digital file). Sharing that number so that people can play the porn video might be illegal. But if that number happened to be used to encode a something else, its not illegal at all. This is just a rhetorical argument that "information shouldn't be, like, illegal man!"