The king was put into a difficult situation, without adequate resources to recruit new people and the current regime of fighting soldiers was devoid of nourishment, adequate clothing, and even pay for their previous wartime efforts. The king needed to rally support without expressing that difficulties that were currently plaguing the king at the economic level and in terms of his current human resources capabilities. Like a regular company, these are sometimes going to be real-life situations that prevent being able to simply replace or renew the existing organizational culture through new recruitment efforts. The goal is to help retain employees and Henry V does an excellent job by appealing to their personal vanity, as a more of a transformational leader than one that simply barks commandments.
The soldiers in his army already have some of the symptoms of burnout commonly found in businesses, especially those with more rigid hierarchies of control. For example, manufacturing facilities where people have specialized job roles might have a leadership structure that puts more restrictions on workers and the job design does not allow for a great deal of personal creativity, ingenuity or autonomy. In this type of environment, without offering certain rewards, either physical or psychological, the end result can be less satisfaction and commitment to meeting organizational goals. Henry V realizes that this is occurring due to his current limitations as king, yet at the same time he does not want to create negative motivation by constantly citing that there are both economic and HR-related problems with his current leadership structure. He builds motivation effectively by creating a more unified organizational culture where people are treated much like equals.
This type of rhetoric is very effective as such speeches remind the subjects of Henry V that they are valued and that they will, indeed, earn a reward for