What does the song "Life in Full Bloom" have to do with Yang Jia?

Yang Jia, because of that 2 cm knife and six fallen lives, entered the people's field of vision and will be remembered by the people of China. In the official mainstream context, Yang Jia is a frenzied gangster, but among netizens, he is called "the great man of chivalry". Even some netizens edited and summarized the photos taken by Yang Jia during his trip and made them into flash. With the song "Life in Full Bloom" by Wang Feng, many people watched the short film with sadness.