Oh, do you have private statements or writings where he was secretly supportive of it? Or are you operating entirely divorced from historical research?
Also:
Stalin often edited reports of Kremlin receptions, cutting applause and praise aimed at him and adding applause for other Soviet leaders.[33]
Ignoring this bit i see
Except a lot of anarchist theory rejects scientific socialism as a methodology. Is there any mainstream anarchism that is rooted in dialectical materialism?