The Russian economy is just now fully mobilized on a war footing. Stopping the war would send them into an economic depression.
Victory for Russia in Europe isn’t necessarily rolling through Eastern Europe and Germany at the head of huge tank formations.
But taking the Baltic States and parts of Europe and sitting on them. Would Western Europe and the US come to the aid of those smaller NATO allies and engage in a potentially grinding war to throw Russian back?
Grabbing a few key areas while splitting NATO permanently… That it could do.
Some people exist to serve as an example to others…