What probably Stalin has acknowledged and was in most part true is that he could not eradicate the elites supporting and inspiring ukrainian nationalism.

 So before Hitler he organized a holocaust.

You can not go anywhere , go south is the black sea , go west no body gives a shit you are a slav and a christian orthodox , go north , you wish you were dead.

You are ukrainian?

You stay there and die slowly because of starvation , looking at those who once said anything against Kremlin and now looking at you as part of their feast.

And that was part of Sovietism looking to annul all humanitarian values as linked through Christianity.

I do not believe shamanism as still applied by these turks had a good time either they were saved because pressure by Islam dominated countries increased mainly after Afghanistan.