US Huawei blacklist revealed to be pointless

Despite being on a US export blacklist, Chinese telecoms giant Huawei has apparently been able to buy billions of dollars of US technology.
When then President Donald Trump issued one of his executive orders, which attempted to prevent almost any commercial interaction between US companies and a host of Chinese ones, it inevitably caused lots of problems. Chief among them, from an American perspective, was that lots of US companies faced a heavy commercial hit as a result of the ban. The blackli