HB, actually, you are not correct in several things.
First, China owns debt (that you have correct, but I would need to check your percentages to see if they are correct, I have suspicions that they are higher than you stated though, like I said, I have to check - and will). However I said nothing about ONLY debt. As all companies of any size in China are owned primarily by the government there, and they own majority or very large interest in THOUSANDS of US based companies, you are missing a rather large boat!
Second, the American Taxpayer paid for the huge bailouts GM has gotten over the years, including the latest ones.
Third, just as many other things I see you state, you have no idea about technology exchange. Not only is it an illegal act to give military secrets to foreign powers, it is also illegal to give certain PROPRIETARY secrets and manufacturing process details to foreign powers as well, ESPECIALLY countries on certain lists, such as North Korea, Iran, Pakistan, and CHINA. Do some research before you jump on that particular bandwagon, take it from someone that remembers being active duty during the Cold War days, there are those of us who took our duties seriously, and information security is definitely serious business. Unfortunately, those growing up in the last 20-30 years are not all as aware as those of us whom were actively involved in the days when liberal presidents were not giving the sensitive technology and information away to our potential adversaries(even though it is still illegal), as they do now.
GM makes modern tanks for us, has controlling interests in electronics companies that make current weapons systems and communications equipment for us, and also demanded a taxpayer subsidized extortion when Obama came to office, then bails on the US market, taking research and development operations into a hostile foreign land, and is going to not pay back that money. I call that pretty crappy, and the attitude you are presenting is largely why this country is imploding-lack of "code" within the new population. You will get what you want today, even though it will cause the country to implode, so I guess you got yours, right? Yeah, no code.