(Denny Crane: "I Don't Want To Socialize With A Pinko Liberal Democrat Commie. Say What You Like About Republicans. We Stick To Our Convictions. Even When We Know We're Dead Wrong.")
The cycle often is to build government owned housing for the servants. The government will grant to itself special zoning that working people can never get ( height, mass, etc. )
Then the servants will out vote the middle classes for more spending projects and "free stuff." Of course, nothing is really free, so the government will raise the tax rates.
The middle classes then leave, again.