Zero tolerance policies come into place when the fault for one person's action is placed on another entity. You see the same thing with the education system in

Zero tolerance policies come into place when the fault for one person's action is placed on another entity. You see the same thing with the education system in the US. Something is done to one kid by another kid at school and the school district is sued. So the school district implement draconian policies to mitigate the risks. Same thing happened to places of employment.