Someone I know used to have a mug that said "Sacred cows make the best hamburgers." This pithy statement captures part of what is at stake when we declare certain things to be off limits, taboo or untouchable.
I used to think that Aaron was a pretty smart person. After all, they don't make you the High Priest of the whole Jewish people unless you are a pretty capable person. But now I believe he was an amateur -- at least at the art of making excuses. You can't compare him to Lance Armstrong.
We brought the calf to Wall Street to confess our allegiance to false Gods and to announce that something was dying for us. That death is our own belief in the sacred calf of the Wall Street picture of the universe.