Our geography didn't change in 1989. Economic and political system did.
Yes. The malign influence of r*SSia vanished and instead of being the wrong side of a divide, the curtain fell and PL was again a crossroads.
All countries are prisoners of geography.
Verify your facts
The facts are that Japan has declined (though quality of life is far higher than in China( and Poland is now in the boom phase of boom and bust.
Imagine where Poland would be today
Perhaps worse off than now..