Well, you probably wouldn't have wanted to be black in 1955 or have a kid with polio in an iron lung machine. Then there was the Cold War and the chance that World War III would break out at any moment.
In any event, the prosperity of the 1950s through the early 1970s were an economic anomaly that won't be repeated any time soon.
By your reasoning Comminst rule in Poland in 1970's was better free Poland in 1920's. In 1970's they had antibiotics, peasants were treated as equals and had shoes on their feet, everybody had TV in their houme.
Yes, you have proven that Communism is better.
Of course we didn't have AIDs back in the old days either.
Now we have the War on Terror, though I'm not sure what that has to do with the poor being better off today than the average in the 50s.
By your reasoning Comminst rule in Poland in 1970's was better free Poland in 1920's.
And Cuba, a workers paradise.