Do you not consider that Huawei "executive's" detention (actual makes for a similar case against Canada? It was a purely political move, Meng Wanzhou was detained on grounds of a broader anti-Huawei campaign by the US.
Do you not consider that China retaliating by arresting arbitrary civilians from a totally different country and ransoming them back for their criminal executive is wrong?
A Chinese company sells American hardware and software to Iran. They intentionally helped Iran bypass sanctions, and lied to institutions like HSBC because they knew they'd get in trouble.
There is nothing illogical about the USA being upset about that and wanting to pursue legal action.
https://www.reuters.com/article/us-huawei-iran-sanctions-exc...