German industry is/was in shambles as they allowed an unreliable trade partner, Russia, to completely take over a segment in the German economy (oil & gas). When that unreliable trade partner pulled the rug in 2022, suddenly Germany is paying out the ass for LNG, reducing factory output, even on-lining coal plants to keep the lights on.
It is simply a bad idea to allow an unreliable trade partner to completely take over a segment in your economy.