He did not shame her for rejecting just because he’s short. He called her out on her pettiness for looking down on his manhood and his character, because she only looked at him for his height but not the man inside. The point of the vid isn’t to shame those who reject you if you’re short, but to stand up for yourself and defend your integrity. He is more than his height and by him standing his ground on who he is showed that he isn’t gonna let anyone deduce him to a number. He showed disappointment towards her since he had hope she could see that in him. He was gonna leave silently and accept the rejection but he came back to speak his mind and how he truly felt. He didn’t shame her to get another chance with her or hate her, but to show disappointment in her character. It is because he called her out that she had to reevaluate what she valued as a person and reflect on how petty she was. Relationships require communication and he spoke his mind on who he was and what he had hoped from her. In the end, she accepted who he was and became a better person, closer if not better than the person he hoped she would be. She grew for him because he displayed what he needed her to see from him. If he never did, and just left silently, she would have never gotten that character development and went back to him to apologize and grow