Those places entered into China while agreeing to those restrictions. That’s different than the US allowing foreign investment then rugpulling it and stealing the Chinese owned portion of a business after the fact.
In order to retaliate, China needs to seize or steal American capital.
In addition to that:
60% of ownership is by global hedge funds
so effectively half of bytedance is owned by westoids anyway
CPC has something called a golden share in a lot of companies. It’s a 1% equity stake that allows for overruling voting power in certain elections