The full response they are selecting is "I understand the Trump administration's action as an unavoidable step by the immigration enforcement authorities"

Along the way, I argue that rather than relying on Chinese scholars/researchers to inform you what motivates Beijing (or worse, mirror imaging), best practice is starting with assumption that Beijing is a rational actor & then working backwards from the known context

From Choo, Jaewoo. (2019). Conservative and progressives' stance on China and impact on South Korea-China relations. In Milani, M., Fiori, A., and Dian, M. (Eds.), The Korean Paradox: Domestic Political Divide and Foreign Policy in South Korea. Routledge.