"although it did manage to maintain a certain degree of domestic peace and public order in places like Russia and the former Yugoslavia"?

Of course, you know the communist definition of peace is "absence of resistance to communism". So yes, they certainly maintained peace by that definition--They murdered those who opposed the ruling party, or sent them to Siberia to count snowflakes. Never say that socialist/communists can't find the silver lining in their tyrranical one-party systems. Let's don't forget that Stalin made the trains run on time, too.

As for the examples of superior Soviet tanks of the WWII era, when someone has to go back 60 years to find an example of a superior communist-designed and produced product to try to defend your political system, that says more about it than any capitalist ever could.

I'll take cronyism over communism every time, thank you very much. I can complain about cronyism and not be shot or imprisoned.
I can pray to any of a thousand gods that cronyism will end, and again, not be shot or imprisoned.

Ever wonder why communist countries have to build walls to keep people in, and America has to build walls to keep people out? Hmmmm...