[Voline]

Those two statements are only in contradiction if you believe there are only two choices for how to organize a society: A Red one and a White one — and both built on hierarchical power. Orwell clearly didn't believe that. As he wrote:

"Had I gone to Spain with no political affiliation at all I should probably have joined the International Column and should no doubt by this time have had a bullet in the back for being "politically unreliable", or at least have been in jail. If I had understood the situation a bit better I should probably have joined the Anarchists."

– George Orwell, "Letter to Jack Common [October? 1937]", in The Collected Essays, Journalism, and Letters of George Orwell, Volume 1: An Age Like This, 1920-1940, eds. Sonia Orwell and Ian Angus (New York: Harcournt Brace Jovanovich, 1968), 289.