Which aspect of stalin's radio broadcast on july 3, 1941, was most important in him achieve his purpose of inspiring the russian people?

In his adress to the Soviet People of July 3, 1941, Stalin addressed the Soviet people as his peers, calling them "brothers", "friends", and "comrades", giving a note of proximity and subjectivity to the speech, in which he spoke of resisting the enemy attack in order to reach victory for their Nation.

This way of addressing the people by Stalin, made the Soviet citizens to take as own the sentiment conveyed by their leader, since he spoke them from the emotional closeness, appealing to conviction and not to his authority.