Yytz, the Communists also banned trade unions other than their figurehead unions. Moreover, Hitler ym”s railed against capitalism and encouraged cartels. Basically, fascist economic theory states that all economic activity must be directed by the state even though it remains nominally in private hands (dirigism).
As for workers’ participation in the economy, the fact of the matter is that the main shareholders in the US are employee pension funds. There is even an ideology called “libertarian socialism” which favors organization of businesses as workers’ cooperatives without government interference. Would you call this leftist or rightist?