The problem is that if they had opened their market to foreign corporations, their own "shit" like you say, would never have been as great and strong (at least locally) as it is now.

If you open your market too early and don't protect your own elements, they will get crushed and you will be at the mercy of other powers.

Look at the UK, look at Germany, look at the EU... Having to please two superpowers and doing so bending backwards.