The other side of the coin is a guerrilla war. With Ukraine’s use of drones, not one Russian will be safe from the long arm of drones.
Then the war continues. I'm doubtful that the Russians will just sit there and take it.
and all of Ukraine.
Exactly. Russia might be able to win on the battlefield but they cannot win in the long term. This will just turn into a prolonged guerrilla war like Ireland, Algeria, and Afghanistan. The Ukrainians have tasted freedom and will no longer accept Russian domination. It is in the best interest of Russia, as well as Ukraine, for the Russians to go home.