if they get enough data, then they can use machine learning to find patterns effectively reading the mind of an average american.

It's not hard you just take literally any issue no matter how pointless or obvious the solution and half the country will think it's good and the other half will think it's bad. America can only process new problems through the lens of adversarial politics where nothing can get done. Ultimately because the US constitution is the worst legal framework in history so they can't campaign on actual policy

the complicated statistical analysis necessary to predict American patterns is a coin flip. Of course the UK is simpler just ask what would an incredibly corrupt person do and there you have it the UK government

and the Chinese wouldn't want to intrude in the excellent job the US government is doing at destroying American faith in their country