Urbanization can result workforce exploitation, and in large parts of land being drained of it's work-force, driving up the cost of living as more food needs to

Urbanization can result workforce exploitation, and in large parts of land being drained of it's work-force, driving up the cost of living as more food needs to be imported and as it will be more expensive to get a roof over your head. It's all a worst-case scenario, of course, but the risk is still there.