"Dresden was a revenge attack, and unwarranted."
No it wasn't, it was just one in a series of bombing raids intended to wipe out German infrastructure which went unusually well, due to ideal weather conditions, little night-fighter opposition, good target-marking by the Pathfinders and excellent backup by the Main Force bombers.
It's wonderful to have the benefit of a safe position from which to criticise men who are no longer alive to answer back, Penguin, but perhaps you'd care to thank them for obtaining it for you instead - otherwise you might have been goose-stepping with the Hitler Jugend down your home-town main street.