I’m not sure this helps you, though.
Authority suppressing the individual, who eventually triumphs, is a Randian theme. And Maggie does indeed triumph over the head of the school. But this can’t be seen as pro-conservative allegory. The headmistress claims she wants to promote self-reliance, “to encourage the bottle within”, but she is actually an Orwellian fascist, promoting individuality while actively enforcing conformity. What are the writers’ intentions in making the head of a school named after Ayn Rand a suppressor of the individual? Are they making an English Major in-joke? Are they making subtle fun of a perceived distinction between conservative values and conservative practice? Are they making even subtler fun of the fact that that perceived distinction is a liberal stereotype?
So even if we accept “A Streetcar Named Marge” as proof Bird is familiar with Rand’s works (personally, I feel it’s a tenuous connection at best), it still doesn’t prove that Bird agrees with her ideas or is promoting a conservative agenda. In The Incredibles, Bird could be celebrating a conservative agenda; or, as in The Simpsons, he could just as easily be having fun with it. For example, Rand wore capes and every cape-wearing character in the films dies a gruesome death. Accepting for the sake of argument that Edna Mode was based on Rand in some way, who was the in-joke for? Was it for Randian Objectivists who would see the connection between Rand, Edna, and capes, or for the well-educated (who are usually left-leaning) audience, who would enjoy the death-by-cape as poetic justice by proxy? You could argue it either way, I think.
A very good question, that.
Most of those who disagree with you would probably accept a quote from Bird supporting your position. To paraphrase Lamia, if you’re claiming these Randian themes are part of Bird’s intent then you need to provide some outside evidence. (And yes, the burden of proof is on you.)
As for the examples you cite from the movie itself, how much of the script is actually Bird’s? Yes, he got sole writing credit, but scripts for animated films are not written like scripts for live-action movies; the storyboard artists have considerable input in the plot, characterization, look, and pacing of an animated film.
You cite many visual examples as proof of allegory: Edna Mode’s cigarette lighter, the fountain in her garden, Mr. Incredible holding up the Sphere ala Atlas. If Bird intended for **The Incredibles ** to be allegory, these elements would have to be there from the start – specifically mentioned even in the earliest treatments. But are these elements the work of Bird or the Story Artist? (Pixar frequently includes drafts of the treatment on the DVD, so we might get an answer then.)
Speaking of Pixar, is it possible that **The Incredibles’ ** message of “individuals should be allowed to excel” is there not because Bird or Pixar have a pro-conservative agenda, but because it speaks to them personally, i.e. Pixar’s struggles with Disney? (Or maybe even Steven Jobs’ vs. Microsoft?). The everyman/underdog fighting and winning against great odds is a quintessentially *American * motif, used by artists of all political stripes.
I think it’s also fair to ask that question of you. What evidence would you accept that you are wrong?