One of many defenses for socialism and its sibling communism is those type of economic arrangements have never been really tried. All previous efforts were partial efforts. You see, if we were to ever try pure socialism or pure communism it would be wonderful and glorious and perfect and utopia on earth. It’s just never been implemented right, you see.
Helen Raleigh explains socialism has been tried in all its purity here in the United States.
And it failed.