> Everyone thinks their early 20s were the golden age of the place they lived

Nope. This person is not terribly insightful.

> the more rigid monochronic frame that dominates the rest of the country. In polychronic cultures, time is seen as cyclical and relational rather than fixed

Maybe in brand new suburbs, but where else? This person is detached from the rest of our communal reality and is inventing a new one!