I think outsiders are often brilliant at analysing national or cultural characteristics. I recommend Bill Bryson (esp Notes from a Small Island) for this. He moved to England for many years, having married an English woman, then moved back to the States but had to come back because he missed the seasons! He's good at nailing the good and less-good aspects of British culture and behaviour. Similarly, Henning Weg (hope I've spelt that right).
One thing I only appreciated fairly recently (mainly from reading the Millennium Trilogy by Stig Larsson, but also from my Scandinavian friends) is why the Brits have a reputation for eccentricity and individualism. These 2 traits are always trotted out as being particularly British, but I never really understood why.
The Scandinavians and many Northern European cultures have a concept 'lagom', which is hard to translate but means something like 'just enough, don't overdo it, don't stand out or try to be different'. This is, I guess, the concept behind IKEA, for eg. My Dutch colleague was invited to a dinner with Queen Beatrix in London, just before she abdicated, and when I asked her excitedly what she planned to wear, she looked at me in bafflement and said she had an M & S jacket from years back that she hoped would do.
It's considered bad form in these nations to try and be deliberately different - it's seen as showing off - in a way that the British don't mind, and actually value. I think that's why we dominated/still dominate popular music and fashion, because of this eccentricity and individuality (punk rock, Zandra Rhodes, Alexander McQueen, Vivienne Westwood etc etc). Yes, the Italians and French are big on fashion but it's nearly always more understated and conventional - think of Chanel or Armani. Armani wouldn't even use actual colours - only neutrals.
I think this is fascinating.