> So again, things are and must be different unless we intend to allow another country to control how we do business with one another, communicate, interact and so on.

Isn’t the right answer that regulation should rein in what companies do regardless of citizenship of the ownership of the company? And by increasing competition we would eliminate the possibility of American behemoths from simply buying everything (trading the problem we have now for the same problem with different owners). We need more competition American or otherwise.