He didn't stop her, which essentially meant he was allowing Xiang Yirou to get close. Less than an hour later, a paparazzo posted the news online, which slowly fermented until, by the time Lu Weixi and her mother got home, the news had already hit the top spot.
Clicking on the report about the incident, her mother was without exception pixelated in the photos, and Lu Weixi, standing far away, was not captured. However, the fact that she slapped Qin Zhiyou, called him "shameless," and later on Xiang Yirou rushing over to comfort him, was all recorded in detail.
Even if one knew nothing about the situation, the fact that Qin Zhiyou had been slapped, scolded, and comforted by Xiang Yirou was true.