A bit of a futile gesture
China would obviously like to be able to use TSMC's products but I think we all know by now that they'll get along fine without them.
Taiwan has added China's leading foundry operator Semiconductor Manufacturing International Co. (SMIC) and IT giant Huawei to its export control list. The move effectively blacklists the duo from doing business with the chip manufacturing mecca. At first blush, the changes [PDF] appear mostly symbolic. For the past five years …
Say what? Some ethnic confusion here.
And assuming you meant Mainland China why would it cost the West anything? In a way like rare earths it is the golden goose and although controlling supplies (OPEC-like - cough! cough!) China has not cut them off. I do not see anything different from TSMC similarly coining it like mad.