The author is mistaking a symptom for a cause.
When the White man refuses to pay the bills, the cities will die and the Blacks will starve.
Exactly.
No see, in the liberal lexicon White Flight is a major cause of Urban Blight. See whitey should have stuck around so the liberals could mine them for taxes and fees to keep the liberal paradises (solid voting blocks) chuggin along.
Its always Whitey's fault when the liberals fail.