Usually, the flow of influence is unequal. Leaders influence supporters more than the other direction. But good leaders are very sensitive to the needs and beliefs or supporters. People in general want to trust someone else to be their leader. They do not want to take the responsibility of leadership.
Leadership can be and often is a burden that becomes heavy with time.
Leadership takes time and often requires other sacrifices. Also, the just and unjust criticism that most leaders, especially public leaders, encounter is difficult for many people to handle. They do not want to be exposed to the harsh glare of public scrutiny and criticism. Sometimes the criticisms have no basis and are not related to any issues with which the leaders have any control. The threat of criticism inhibits some individuals from entering the public leadership arena.