(T)he object of the regime in the economic field is to ensure higher social justice for the whole of the Italian people… What does social justice mean? It means work guaranteed, fair wages, decent homes; it means the possibility of continuous evolution and improvement. Nor is this enough. It means that the workers must enter more and more intimately into the productive process and share its necessary discipline… As the past (19th) century was the century of capitalist power, the twentieth century is the century of power and glory of labor.The only form of communism that Mussolini openly opposed was what he termed “Bolshevism”, which meant the USSR’s power and not communism per se. Leopards do not change their spots.
— Mussolini, 1935
When the war is over, in the world’s social revolution that will be followed by a more equitable distribution of the earth’s riches, due account must be kept of the sacrifices and of the discipline maintained by the Italian workers.
— Mussolini, 1941
Based on his statements, writings, actions etc.
He spoke out against state ownership of companies, created the first fascist doctrine and government, communists, as well as socialists, anarchists, were rounded up and often killed, communist partisans tracked him down and killed him.
Before he formed the fascist movement he did admire the Russian revolution in 1917, but for its revolutionary ideals, but abandoned it quickly to propose his fascist ideology in 1919, which was anti communist.
This shouldn’t be interpreted as a defense of Mussolini btw.