"If you were the head coach, would you open a back door for your own son?" In recent days, Zheng Zhi's choice has caught the attention of countless fans, with some even exclaiming, "How did Chinese football finally produce someone who understands things!" The incident began when national team assistant coach Zheng Zhi refused to give his son Zheng Zi Yi a "secret boost" during the selection process for the elite training camp for the U-07 age group. This action not only went viral among fans but also sparked a discussion within the entire Chinese football circle about "fairness" and "principles." Some argue, "What's wrong with helping your son? Throughout history, which sports star hasn't favored their children in some way?" However, others counter, "The national team has never been a place where one gets on the field based on family connections; this is the bottom line!" Amidst the differing opinions, Zheng Zhi firmly chose to stand on the side of professional ethics, winning the respect of fans with his actions. But, is this enough? In the context of the renewed Chinese football reforms, will Zheng Zhi's refusal to open a back door really make things better? Mentioning Zheng Zhi's name, it is likely that every Chinese person who loves ball sports is familiar with him. This individual, who can be described as a "living specimen" of Chinese football, has had a career spanning several important periods, from emerging from his hometown team Shandong Luneng, to becoming famous in the English Premier League with Charlton, and later joining Guangzhou Evergrande,…