Your line of reasoning leads one to think "this person is a subject of the Communist Party, and hence the Communist Party can do whatever they want to him."
The thinking that 'this is only one person, why worry' is barbaric.
The US has trade relations with almost all counties in the world. Ther are abuse of pwoer and discriminations in many countries, including the US itself. So you don't want to trade with them?
>>Your line of reasoning leads one to think "this person is a subject of the Communist Party, and hence the Communist Party can do whatever they want to him."
No, the person is a Chinese citizen, not a subject of the CCP. I don't thnk the US government should get involved in the case.