It's going to come back and bite us big time.
Naaah, you worry too much. They are our good trading partners and they need us to sell their goods to - we need them as much as they need us. Just ask any American industrial giant.
(I refuse to say if my comment is made tongue in cheek or in earnest)
Before Pearl Harbor/WW II, shipload after shipload of US scrap metal was transiting the Panama Canal, bound for Japan. One guy observed : What you see as just a pile of junk/scrap metal there now, will be coming back at us as Jap BOMBS soon enough. Those who don't LEARN the lessons and cycles of history are doomed to repeat them...