A: You don't need all those people to be in the know to pull this of, if in fact it was an inside job. You just need a few well placed people.
B: The author assumes the need to kill Dylan by the people who pulled this off.
I mean, you can physically walk up to Area 51 and have guns pointed in your face telling you to turn around or be shot. But your government will tell you the place doesn't exist, and I don't see anyone tripping over themselves to tell all... The one person who did was discredited in short order (whether or not his story is true, no one believes him)Seriously, no matter what physical causes led to the collapse, if you think it's actually possible to do this and not have a SINGLE human being come forward bearing the information they have, then you're even more cynical than I am (and that's saying a lot)