[ZenGum]

Indeed, I think this brings up the strange reverence that many Americans have for the constitution. The Founding Fathers may well have been "right" for their time, but things change - technology, economics, culture, human behaviour. Yet some people (remember Radar? He was way out like this) take it as axiomatic that The Constitution Is Always Right.
The argument then becomes about interpretations of the constitution, which are generally ways of trying to bend it to what each protagonist thinks it should mean.
It reminds me a little of rabbinical debates, where you start from a given text and build interpretations upon it. You may argue the interpretations, but must not challenge the master text.
Not every one is like this, but it's a common pattern.