There's a long, dark history of Anglo-American "anti-war" campaigners being nothing more than sympathizers to the enemies of those countries. Orwell had these people's number in 1945 (
https://www.orwellfoundation.com/the-orwell-foundation/orwel...):
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The majority of pacifists either belong to obscure religious sects or are simply humanitarians who object to the taking of life and prefer not to follow their thoughts beyond that point. But there is a minority of intellectual pacifists whose real though unadmitted motive appears to be hatred of western democracy and admiration of totalitarianism. Pacifist propaganda usually boils down to saying that one side is as bad as the other, but if one looks closely at the writings of younger intellectual pacifists, one finds that they do not by any means express impartial disapproval but are directed almost entirely against Britain and the United States. Moreover they do not as a rule condemn violence as such, but only violence used in defence of the western countries. The Russians, unlike the British, are not blamed for defending themselves by warlike means, and indeed all pacifist propaganda of this type avoids mention of Russia or China. It is not claimed, again, that the Indians should abjure violence in their struggle against the British. Pacifist literature abounds with equivocal remarks which, if they mean anything, appear to mean that statesmen of the type of Hitler are preferable to those of the type of Churchill, and that violence is perhaps excusable if it is violent enough. After the fall of France, the French pacifists, faced by a real choice which their English colleagues have not had to make, mostly went over to the Nazis, and in England there appears to have been some small overlap of membership between the Peace Pledge Union and the Blackshirts. Pacifist writers have written in praise of Carlyle, one of the intellectual fathers of Fascism. All in all it is difficult not to feel that pacifism, as it appears among a section of the intelligentsia, is secretly inspired by an admiration for power and successful cruelty. The mistake was made of pinning this emotion to Hitler, but it could easily be retransferred.
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60 years later, and "pacifists" like Galloway evidently have no problem pinning that emotion onto butchers like Stalin, Putin, and Assad.
I'm not British and I don't have a horse in this race; I don't really know who Galloway is and from what I've heard, I don't care to. But the evidence presented in this thread certainly presents as symptoms of Orwell's diagnosis.