I wont disagree that some could have been hit but have you ever seen any record of them bing killed by a mob, or hung in the streets, or beaten to death. Also in 1940 some people were expecting a parachute invasion so if a farmer took the odd pot shot I can understand yet as far as I know NONE of them were ever killed, can you say that about the Allied aircrew in Germany
Well since you ask...
On 15 Sep 40 a Dornier Do17Z of 1 Staffel, Kampfgeschwader 76 was shot down over London, it crashed on Victoria Station after some of the crew baled out. Oberleutnant Robert Zehbe (born 9 Dec 1913 Kiel) landed by parachute in Kennington, London. He was captured and beaten to death by a mob of civilians.
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There is an aside to this, Zehbe was not strictly beaten to death, he was beaten and died of his injuries the following day and some of those injuries were as a result of the crash but I have no doubt the same injuries would have occured to allied airmen over Germany.
Further to this Harris publically stated his aim was to kill civilians in 1943...
A BBC broadcast about a Bomber Command raid on Leipzeig on 25 October 1943 led to complaints from the public about its mealy-mouthed references to the targeting of marshalling yards. Harris's response was to demand that the Air Ministry issue a clear statement of, and justification for, his strategy:
The aim of the Combined Bomber Offensive and the part which Bomber Command is required by agreed British-US strategy to play in it, should be unambiguously and publicly stated. That aim is the destruction of German cities, the killing of German workers and the disruption of civilised community life throughout Germany.
It should be emphasised that the destruction of houses, public utilities, transport and lives, the creation of a refugee problem on an unprecedented scale, and the breakdown of morale both at home and at the battle fronts by fear of extended and intensified bombing, are accepted and intended aims of our bombing policy. They are not by-products of attempts to hit factories.
He made similar statements more informally as well, for example telling 'his American counterpart' (Eaker) that
You destroy a factory and they rebuild it. In six weeks they are in operation again. I kill all their workmen, and it takes twenty-one years to provide new ones.