How does Russia profit by acquiring a wrecked Eastern Ukraine ?
By eliminating an independent Ukraine and preparing the Ukrainian battlefield for a resumption of the displacement of the Ukrainian people and culture with resettlement by Russians from Russia. The resumption of colonization by Russian settlers will inherit Europe’s argricultural breadbasket, mining, and other resources which warfare does not significantly destroy.
How did Argentina profit by attacking the Falklands? How did Russia profit by attacking Georgia? Afghanistan?