Unfortunately Poland still is positioned in an area where enemy can come from any direction (and they have - Russia, Germany, Austira, Sweden etc) and it sucks geopolitically.
One of the running jokes of the Revolutions podcast is that to truly understand the history of the X revolution, first you must understand Poland. He keeps saying this because events in Poland triggered some surprisingly weird outcomes Europe wide, including arguably helping turn the French Revolution from a domestic affair to a continent wide war.
I have heard this line several times recentlty, and I really don't get the point it tries to make.