How to respond to “Communism doesn’t work.”

Does Capitalism Work?

Lets unpack the idea that “Capitalism works”. In the US, the most developed Capitalist country, the richest country in the history of the world

Capitalist hegemony has short-circuited people into buying wildly illogical and ridiculous propaganda like: “Lift yourselves up by the bootstraps” (which shows the almost religious power of capitalist propaganda, that the impossible can become possible), or “Communism doesn’t work”, when in fact Communism did work extremely well.

Examples from this post by /u/bayarea415, Stephen Gowans - Do publicly owned, planned economies work?, Audio on youtube and Ian Goodrum about the USSR specifically: