Why French (and European) people grow up to love scents while Americans don't

One of the most frequent and controversial divides among Europeans and Americans has to do with the scope of this venue: smell! The things we like to smell, the way we smell, the cultural milieu in which this function happens, our perception on it and the reaction to the olfactory environment. Why are the French (and most Europeans grosso modo) so much more attuned to smells and more receptive of