Bai Jianshe knew Xu Bin's identity, so he could more or less guess the intention behind Wang Weishan's arrangement.
It was nothing more than elevating Xu Bin's status in the eyes of the Underworld to reduce suspicion against him, thereby making subsequent operations smoother.
Bai Jianshe had long since received orders from Si Ren to dig up the dirt between Wang Weishan and Xu Bin in order to bring them both down publicly.
Chapter 1480