The thing is Stalin, had no use for Lenin and Trotsky’s “Internationalism”, he was a hardcore Russian Nationalist who Russified the entire Soviet Union.
Seeing as how Djughashvili himself was not Russian but Georgian, that would be oxymoronic. Especially with expanding the influence of the USSR as an empire, too. Of course, Adolf was Austrian. And Benito the communist also touted nationalism to seduce the “masses”.