No, I was suggesting (jokingly - honest...) that Americans were - in that they coined 'the Cadillac of' on the analogy of 'the Rolls Royce of' and then spread 'their' phrase throughout the www (in spite of the superior engineering of the British car).
b
Another word to add to the list of words you've learnt today: chauvinist
chauvinism, chauvinist, chauvinistic. The Columbia Guide to Standard American English. 1993