It didn't force them to forced them to develop capacity domestically. They always wanted to do that and have been spending princely sums yearly to try to get there. It removed the ability to have a cheap and gradual transition from foreign ones to domestic ones.
Turns out that if the US Govt really wanted to hobble Huawei long term then it should have “given” them upper management from Boeing, Intel, and a few others instead. Maybe even subsidize some McKenzie consultants for them!
