Regarding corruption, I made a little writeup a while ago about why corruption is systematically overestimated in the USSR which, if you're arguing from good faith, you won't have a problem checking out. There was active fight against corruption in the Soviet Union (as you can see by the sign on the picture), the so-called "chistka", i.e. purges of party members, were part of said campaigns, and citizens could legally organise committees to review the functioning and accounting of local public services and institutions.
Regarding "lowering wages", you're simply wrong. That's just from the 60s, but material wealth of people rose at unparalleled speed in the USSR, faster than any country before that. And when the USSR economy stagnated in the 70s, real median wages kept rising at around 3.5% yearly
Source: my ass
Besides, what's with Stalin? I'm talking you about my ideals, not of the ideals of a Georgian man who died 70 years ago