I agree, but that it overly simplistic (as I'm sure you'd concede).
Part of the equation is that we willingly consume products from external sources because its cheaper that way. China is the perfect example of this. We could actually make most of the things we buy from China. But it isn't economical.
For a
fascinating look at the economic relationship between the U.S. and China, read this article (I swear I'm not working for
Atlantic, the two cites are a total coincidence).
Full Article - strongly recommended if this interests you-
The $1.4 Trillion Question