The US is more like a messy, disgusting, noisy bazaar than a pristine cathedral:
* Strong disagreement and polarization on a lot of important issues: for example, in the US we can't agree on the role of government; in the Free Software world we can't agree on even a standard desktop interface.
* Constant arguing about the best way forward: for example, in the US, we argue on how best to fix economic issues; in the Free Software world we argue on how best to evolve a really old init system.
* Many important problems are ignored, seemingly forever: for example, in the US, a lot of infrastructure (electric grids, roads, bridges, railways, trains) are of subpar quality; in the Free Software world, many projects of extreme or critical importance are in disrepair and/or ignored (e.g., for years, PGP was maintained by a single developer who was broke).
Anyone who comes to the US expecting things to work "as they are supposed to" and for everyone to be in happy agreement on important issues is in for serious disappointment.
Yet, the messy "bazaar" model seems to work... over time. As Winston Churchill said, "you can always count on Americans to do the right thing -- after they've tried everything else."[1]
[1] http://www.brainyquote.com/quotes/quotes/w/winstonchu135259....