+ collectivisation failed initially which resulted in a temporary backdown of Stalin in March 1930some historians don't think so like j arch getty and shelia fitzpatrick, for example, their religious reforms to ban it largely failed and 50% of ppl where still reglious so he didn't have complete control, also his cult of personality was a bit flimsy, also getty argued the purges and terror were largely brought on by the people using the yezhovshchina as a means to social mobility by accusing others