I'm not positive but I believe she is a product of LA, a city that is so far over the top on "image" that most people find it humorous if it wasn't so sad and so influential. Actually almost every city in the US has gone Valley Girl as far as the female adolescent lifestyle goes.

As for people like Michael Moore he is regarded as a bit of a hypocrite who puts his "aw shucks" persona on and parades around with his crew playing gotcha with his "victims". He has gone Hollywood when it suits him, and dirt poor when he's making his points.