The problem is another non-victorious World War where most of Europe is under their rule, at the very least the restoration of the old German Empire borders would hurt German self-prestige. WWII wasn't simply vengeance for losing WWI, it was to right history back on the path it was meant to be go on, with Germany above all others and to punish everyone who defeated them two decades ago for daring to violate the rules of the universe by denying them their destiny.Madner Kami wrote:It would also be a perfect jump-off-point to explain, how and why the Star Trek timeline diverges so drastically from our reality. The Eugenics Wars are a much more "natural" development in a world, where german notions of the Übermensch became widespread, instead of a world where the arian Übermensch was crushed under the boot-heel of the oh so inferior slavic Untermensch. Now, for the sake of a better world instead of the Mirror Universe, Germany does not need to win the war, but merely be beaten into a situation were they can sue for an equal peace, instead of being forced into an unconditional surrender.
It's up in the air to what degree that was in the German people before WWI, but the end of WWI shoved it in their psyche given the way Germany broke after the failure of Operation Micheal. Given the way it was hyped in Germany beforehand it was thought by everyone that victory was in the bag after Russia was knocked out and they still failed to defeat the Western Powers.
WWII had to be a total victory or else it would be a defeat no matter what happened, because even then WWI would still not be avenged.
The other problem is to push Germany to the point of such a negotiation would still result in a massive loss of life for them which, IMO, I think would be greater than what they suffered historically, and when combined with WWI was a huge loss of life that continued to haunt Germany in ways most Germans don't even realize in the same way the loss of life France sustained from Louis XIV to Napoleon continues to linger to this very day and explains why they were so terrified of a unified Germany.
The issue with Eugenics was that they already were widespread, it was that after WWII and knowing what Germany did, they suddenly fell out of fashion and everyone who was for it acted as if they never knew what is was. It's funny when people make a big deal about those who supported Eugenics before WWII, or at least spoke highly of it, when it was easier to make a list of those against it given how popular it was.
For the Eugenics Wars to happen I could only see the World Wars somehow not happening alongside the spread of Communism so that the massive loss of life we faced in the 20th Century never left it's impact and that allowing Eugenics to remain as a linger force in popular opinion enough to spread further and further until genetic technology then allows most everyone on Earth to try to mess with it.
What WWII to most people was bring so many issues to a head and have people confront things like their prejudices and see the murderous end result of them. Christians had issues and a dislike for Jews, then they got to see where that could lead which made many Christians confront the fact that, while they may dislike Jews they didn't want to bloody well exterminate every one of them. The same went for how Germany feitishized empire building and imperialism where conquering and ruling over people wasn't simply a good plan to expand ones national interest, but something craved by the Germany where they needed people beneath them that bowed and suffered at their whim that forced Western Civilization to take a hard look at their empires and finally confront them head on morally.