The more money that is vested in a middle class, with a very broad middle class, and the less that's vested in remote corporate boardrooms, means that the economy itself is vested at the widest possible self-sustaining level.
Jefferson's yeoman, so to speak.
"San Augustine, Texas. A meeting of the town council to discuss buying a new water tank to replace the one which was destroyed by the March tornado. Left to right around the table: Troy Mitchell, city manager; J.W. Ritchie, tinner; H.D. Clark, department store owner; Mayor Alonzo Rushing, druggist; Mr. Ramsey, city attorney; R.V. Hall, grocer; Clyde Smith, grocer; and Frank Phillips, city secretary". April, 1943.
Conversely, if your economic well-being depends on a giant corporate employer with headquarters far away, you will none the less be inclined to vote their interests, irrespective of whether they are your own.