Likewise in New zealand. I've always heard the argument that the US is bigger so it's harder to change (for everything - POS, the metric system, any kind of regulation etc).
Even after a decade in the US it amuses me that NASA can run a fleet of vehicles on Mars, that the country produced places like silicon valley, and that American ideology is one of entrepreneurship/innovation but as a country we struggle with changes the rest of the world has decided are worth the effort.
It makes me wonder what the US would be like if we weren't still wasting huge sums of money on healthcare and credit card fraud etc!
Of course some may say that the US is what it is because of these things...