Then you haven't read Sun Tzu. Go read the whole book. Don't try to quote it out of context. He describes quite accurately what it's like to fight a war so far from your homeland AND what you need before you can even prosecute such a war. Despite the fact that he wrote that material in the age of horse, sword, and bow, it still applies today.
China ain't got it. They talk big, but they ain't got it. Indeed, they are now facing the very real prospect of their own civil war breaking out soon.
The military won't collapse. It will split in allegiance, but it won't collapse. Plus, there is something much stronger than the military. The American people.
Don't tell me what I've read, that is foolish.