It's been done. IIRC, it's called, "Michael Moore Hates America".
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Talk about the pot calling the kettle black. Where does the MSM/Newsprint Division get off pointing the finger at Hollywood? Columnists the nation over were tripping over themselves to give F911 a thumbs-up when that POS came out last summer. The MSM talking points, passed from reporter to reporter, paper to paper, went something like this: "....F911, although factually incorrect in places, is still an important film to see...". Yeah, it's always important to see blatant propaganda. Now the press is hip to spit on their Golden Boy now that their smear tactics have failed.
Reporters/"journalists" are just carnies with degrees.
I just saw it last week. Was rooting for a great film, but it was quite disappointing. Kudos for the effort, but it was an amateur job at best.