In that case the author ought to recognize that Germany's unstable alliances with Russia (WWII) and Austria-Hungary were the causes of European wars. Germany has recently suggested giving up on an centralized Ukrainian government. Greater Ukraine is not worth any military expenditure.
I' don't the Poles will be to happy to acquire a new, long border with Russia.
Frankly, the Kaliningrad Oblast should be seized and held until Russia gives up the eastern Ukraine.