Remember with Trump, it's always projection, although making the connection in this case is slightly harder than most.
When he whines about the smell of cities (lord knows what he's talking about -- the food trucks in Portland? the flower market in LA?), he is mistaking the distinctively fecal smell of his own body for the streets of NY, Chicago, and all the great cities.
Affluent is the key word. Access to these third spaces has become increasingly difficult, if not impossible, for many, many people struggling to pay for food, healthcare, rent, the necessities of daily life.
On the loss of third spaces, the detrimental effects on health, and the "science of small encounters." I know how fortunate I am to have a garden. Add to the list, the small encounters I get to have with flowers and passersby.
A lane of Yellow led the eye Unto a Purple Wood Whose soft inhabitants to be Surpasses solitude If Bird the silence contradict Or flower presume to show In that low summer of the West Impossible to know -