True... but the RAF's heart was in the right place even if their actions in retrospect were wrong.
How can a policy that largely involved trying to kill as many civilians as possible (which was very explicitly its purpose: very precise calculations as to casualty rates were made) and which involved a cavalier attitude towards the safety of the people flying the planes be seriously described in such terms without irony? Of course maybe this is an elaborate trolling exercise and irony is indeed the purpose.
I would have to dispute that morality was significantly different in 1945 to 2015. I knew all of my grandparents (who, incidentally, considered Harris to be a butcher) and I don't believe they had a significantly different understanding of morality to me.
By that logic why discuss anything? Why even, for instance, participate in discussions on the internet? I doubt that anyone would greatly miss your presence.