They're owned by American capital, they're controlled and influenced by a lot of American interests, sure. They're not domiciled in the US any longer. That's a critical legal aspect for CFIUS as it pertains to national security and jurisdiction.

It'd be like if Yahoo and SoftBank controlled the majority of Alibaba presently (SoftBank for its part still has 29%). That still wouldn't give them control of Alibaba due to the broader context of China. The fact of the matter would be, Alibaba would still a Chinese corporation that operates under Chinese law.