"Socialism/Communism is great and we should all live under that system as it is self-evidently the best"
"Well, there were some pretty bad aspects of the USSR and communist China, maybe we should take heed of those."
"Actually, I now choose to define communism as a perfect, not-yet-realised ideal. Any criticism you have of the closest existing system is actually a criticism of State Capitalism and not applicable to real communism."
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"Capitalism is great and we should all live under that system as it is self-evidently the best"
"Well, there are some pretty bad aspects of the capitalist systems, maybe we should take heed of those."
"Actually, I now choose to define capitalism as a perfect, not-yet-realised ideal. Any criticism you have of the closest existing system is actually a criticism of Corporatism and not applicable to real capitalism."