It’s real simple: NBC is owned by Comcast.

My objection to this, as well as so many other conspiracy theories, is this: such conspiracies assume a level of competence in our government that is simply NOWHERE IN EVIDENCE.

Use your hosts file. Not a damned thing Facebook (or anyone else) can do about that. MVPS has a good one: http://winhelp2002.mvps.org/hosts.htm