Just one official or landowner can set an entire community into a cycle of abuse. There are many warning signs. Citizens must learn how to recognize the signs, and help the afflicted.
Medical professionals have obligations regarding proper drug use.
They may use drugs for the wrong purpose, or without concern for side effects, seeking ever larger doses. The behavior is damaging to them, to others, and to society. We recognize it as drug abuse. Public officials have obligations regarding proper land use. They may use land for the wrong purpose, or without concern for side effects, seeking ever larger parcels.