I figured I’d ask here since you comrades know history and are on talking terms with reality, unlike a lot of stuff that is available to read online. I am really looking for a short answer, although I know there were many factors playing out over a long long time. Just the bullet points, if you please.
Edit: Thank you for these awesome answers, a lot of exactly what I was looking for and a lot of new directions to explore. Y’all really are the dope-ass bear B-)
Khrushchev’s faction reintroduced capitalistic elements, he dismantled the successful policy of shared agricultural machinery between farmers, he attacked the very foundation of the soviet union, he rehabilitated several revisionist figures, he was chauvinistic towards the prc which led to the sino-soviet split.
Too centralized wasnt really the issue, but the increasing elitization of the bureaucracy was.