His Preface, “The Freedom of the Press” was omitted from the first edition of the book, then disappeared, and was not rediscovered until 1971. From it, we learn that Orwell had considerable difficulty getting his fable published. That wasn’t principally because of wartime issues. There was a shortage of books and his was highly readable. Rather, British intellectuals of the day did not wish to hear any criticism of Stalin or allusions to his atrocities…
A Warning From the Unpublished Preface to Orwell’s Animal Farm
And he ends his Preface on a high note,
I know that the English intelligentsia have plenty of reason for their timidity and dishonesty, indeed I know by heart the arguments by which they justify themselves. But at least let us have no more nonsense about defending liberty against Fascism. If liberty means anything at all it means the right to tell people what they do not want to hear.