It is not just that Obama is the President of a debtor nation; he is a President whose plan is to borrow many trillions more--money that, in large part, can come only from China. There are a great many things that the Chinese could do with their money, but only one place where Obama can go to borrow the trillions he is determined to spend. So I suspect that any lectures delivered tomorrow will flow in the opposite direction.
My own take on what Hu's opinion will be (the video is TV-14, so you might want to read this transcript instead):
(sorry about the Flash.)