The following quote from a
City Journal article about the coming apart of French society could just as well apply to our own cities.
As a new bourgeoisie has taken over the private housing stock, poor foreigners have taken over the public—which thus serves the metropolitan rich as a kind of taxpayer-subsidized servants’ quarters.
Darn close to as true here as there, especially in today's California. And check out this statistic from the same article.
In London, where, according to Le Monde, the average monthly rent (£2,580) now exceeds the average monthly salary (£2,300).
I'll wager that's true in San Francisco as well.