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His entire family was literally dispossessed by the Soviet authorities before the events of TF2 began, and he and they had to go live in the eternally snowy mountains of Siberia, away from repressions and the danger of ending up in the Soviet gulag. It's not only goes for art, but even community cosmetics and his whole picture, as if Misha loves the politics of the country that made his family end up living in wild snows and hunting for bears. PLUS, would he even end up go work for Mann. Co to feed the family if he would actually love USSR so much?