Between the lines, he wanted to convey that he was one of Shi Lingkang's men.
Indeed, the business landscape of the imperial capital is ever-changing. Even Shi Lingkang, who was trapped in the capital and couldn't return to Jiang City back then, has secretly built his own network and influence here.
Is Shi Dongyang's recent rage because of this Shi Xiangchao, who suddenly came under Shi Lingkang's wing?
The true grandchildren of the Shi Family are only her and Shi Dongyang. The others are mostly relatives from her aunt's or grandmother's side, and as for why they also bear the surname Shi, it's probably either due to following the mother's surname or some other reason.
