1) Perhaps people use the major city so that the person they're talking to has any kind of clue where they're from? If I mention that I'm from Oviedo, would you have any clue as to what state I'm even in? Now what if I said I'm from Orlando?
2) There are cultural factors that affect how a person behaves. Perhaps the German culture does value work ethic more than others. It wouldn't be hard to beat American culture of the past two decades on work ethic. There is more to this world than the narrow smallminded view you have developed.
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