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@combatair. You delude yourself. In November 1941 Sir Richard Peirse, then C-in_c of Comber Command, told The Thirty Club 'For a long time the Govt for excellent reasons has preferred the world to think that we still held some scruples and attacked only what the humanitarians are pleased to call military targets...I can assure you, gentlemen, that we tolerate no scruples'. Arthur Harris wrote in April 1942:'We have got to kill a lot of Boche before we win this war'. Attacks were especially directed against crowded working class areas, where they did most damage, so hitting those Germans who had voted against Hitler for as long as it was possible to do so.
The RAF certainly aimed at the mass killing of German (war industry) workers, e.g. the bombing of Hamburg in 1943. Whether they were “civilian” targets or not is perhaps arguable, but undoubtedly civilians were killed en masse.