Earlier quoted context omitted.
Communism's "discreditation" was the result of a decades long propaganda campaign and their descent into authoritarianism which isn't all that different to that which many capitalist countries went through (or some are currently going through). You hear plenty of "well, capitalism would work fine too if it were just implemented correctly". That's exactly as stupid.
First point, yes on propaganda, but the failure of the Soviet Union had more to do with the inherent limitations of central planning than Marxist communism. That doesn't mean communism is a broken ideology, but rather that by attempting to refine the designs of failed communist states risks going back on the same path, instead of envisioning a new model for a community-focused ideology (in a way different from capita…
Between 1917 and 1950 they grew at a staggering pace. From agricultural backwater to first space power. That isn't an economic failure in any way.
After the 1950s they tried to re-gear the economy to producing things like fridges and, of course, for consumer items it wasn't nearly as effective.
In the end the thing that undid the Soviet project was the idealism of its president (Gorbachev) when faced with the results of his authoritarian predecessors. It wasn't really an economic failure.
>by attempting to refine the designs of failed communist states risks going back on the same path
If we attribute Stalin to a failure of communism surely we have to also attribute Hitler to a failure of capitalism?
Or we could accept that both analyses are stupid and shallow.
>Capitalism lends itself more towards authoritarianism
I think economic systems are orthogonal to political systems.