I think the point is that white Americans fled the suburbs in the 70s in order to avoid paying urban taxes and living in racially diverse areas, while still usi

I think the point is that white Americans fled the suburbs in the 70s in order to avoid paying urban taxes and living in racially diverse areas, while still using urban services and relying on the economic activity in urban centers. This led directly to urban decay; i.e. the New York budget crisis of the 70s.