Yup! They need a big allies like China to survive. How can it be independence?
What did them in is the collapse of soviet union. they lost their chief trading partner and benefactor.
Now they are trying to suck on the tities of CHina, albert unwillingly, prefer just cut them a check and be left along.
a SK with out aid flow and Markets and technology provided by US and to some degree Japan the 1970s-80s economic miracle wouldn't happen.