2. More importantly, the not-so-sub-text of the movie was that women are just better than men (prettier, smarter, better-adjusted) and that this gives them the right to
This is a return to the idea of the domestic goddess, updated for the world of career women. Oscar Wilde tore this to shreds at the end of An Ideal Husband, by bringing the wife down to size. This is probably why the Knocked Up birth scene is so graphic--probably the most graphic I've seen in a movie: it symbolically brings her down to size. But that just implies that female biology is secretly ugly, so the original idea that women are better than men is proven wrong in the end.
It's a very anti-feminist movie.
* Judd Apatow is not fat, but he's less attractive than Leslie Mann. Leslie Mann is funny, but she's probably not as funny as Judd Apatow.