Media around the world spoke this weekend of the tornadoes in the U.S. and their impact on a candle factory in Kentucky, an Amazon distribution center and hundreds of razed homes. The White House called for investigating whether the disaster is related to climate change. But the cause of the human disaster is much simpler: precarious workforces and bonded laborers who can’t walk off the job even in the middle of a natural disaster as well as wooden houses unable to withstand storms and freezing temperatures.