Earlier quoted context omitted.
Governments don't know enough about the internet to know what a hosts file is and I don't think we want them to.
Naw. /etc/hosts can be explained to a government. But this kind of thing doesn't give your average government nearly enough power. So: not interested.
Or they could declare another moral panic, and start kicking down doors and arresting people for the contents of their hosts file: "Bu-bu-but I didn't visit any of those sites!" - "Yeah, right - tell it to the judge, perv".