Humbled by his brief sojourn as a coal miner, he turned over his equipment to an experienced operator and retreated to the more predictable--and insulated--business of collecting a royalty on every tonne that came out of his ground.

FORBES: Magazine Article

Humbled by his brief sojourn as a coal miner, he turned over his equipment to an experienced operator and retreated to the more predictable--and insulated--business of collecting a royalty on every ton that came out of his ground.

FORBES: Fuel's Paradise

Sociologists could have a field day with this question, but the explanation could be something as simple as the fact that people who live in cities are relatively insulated from how difficult and challenging it can be to produce the food, energy, equipment, devices, etc.

FORBES: What Explains The Partisan Divide Between Urban And Non-Urban Areas