Why Does a Leader's Creation of a False Sense of Hope

Why does a leader's creation of a false sense of hope among workers ultimately backfire in most cases?

A) The sense of hope creates energy and optimism at first, but when workers realize that it is not sustainable they become bitter and lose motivation.
B) Workers are very suspicious of any kind of hope, so it is best to avoid creating a sense of hope, even if it is legitimate, because it will just arouse resentment.
C) Creating a false sense of hope usually doesn't backfire. Leaders who use this approach generally are successful.
D) Creating a false sense of hope backfires because workers can always tell instantly when hope is not legitimate, so they instantly reject this approach.