It is not the first time the American government forces foreign companies to sell their assets. They might benefit from this in the short term, but in the long run they are only saying to foreign companies not to invest in the USA because they will blackmail them at the end...
They have done this with several oil services companies, Huawei and now Tiktok. The excuses are especially lame with TikTok, because they are ok with the information the company is collecting, they are just not ok with who is collecting it.