"This might be true, but it is still not enough. America is spending much more money in consumption than it earns with its exports."
One of the central points the author was trying to make is that foreign purchase of domestic assets accelerates this problem, rather than bringing it back into balance, over the long-haul.
Yep, and that's why the discussion is to be about anything but the clarity of the author's core points. There are a lot of globalists who don't want anti-globalism to grow anymore legs than it has and they'll do whatever it takes to derail clear thinking and conversation.