>plus it puts a geopolitical adversary in control of the data, countless devices, and a media channel central to the current cultural zeitgeist.
You should interrogate your assumption that the government inside the state lines is less "adversarial" to everyone's interests than the one outside state lines, even at a level of geopolitics.
The government is the one deciding what adversarial means here. Of course they’re not going to label themselves or domestic companies they regulate national security adversaries.