Most people spend their lives filtering the stream when a handful of change at the spring would do it.
Where a correction is applied matters more than how hard it is applied. Barren ground downstream is a source problem, and every season spent working the fields is a season the same water keeps arriving.
In a person, the source is belief. Belief sets the state a man meets his morning in, the state sets which emotions are available, the emotions choose the actions, and the actions compound into what looks from outside like fate. Yahweh heals the water and lets the wasteland end on its own. Rearranging circumstances while leaving the belief untouched costs a person the same year, lived again and again.