I don't really think it's a case of being allowed; both emperors were overthrown/had their states collapse, but weren't abolished by the Allies.
As I recall, Churchill was retrospectively supportive of retaining the Kaiser at the head of a truly constitutional monarchy; totalitarian states are harder to build when the highest office is forever occupied by someone with no intention of using it.
Won't work unfortunately, IIRC they were all either army or navy officers who had commanded and/or fought during the war or in the one instance of this not being the case rumoured to be gay. Your best bet I think would be for both the Kaiser and the Crown Prince to abdicate in favour of the twelve year old Prince Wilhelm who was third in line to the throne under some form of regency.Kaiser Bill is impossible but maybe one of his sons ... ?
In regards to Germany, maybe Germany could have kept a figurehead Kaiser (not necessarily Kaiser Wilhelm II, though) if the German naval leadership would not have ordered the German sailors at Kiel to fight a suicidal naval battle. After all, as far as I know, that is what caused these German sailors to mutiny, which in turn caused people in other parts of Germany (both in the military and on the home front) to mutiny as well and which eventually resulted in the German people overthrowing their monarchy.So what would change if Germany and Austria was allowed to keep its monarchy as a figurehead (similar to Japan)? What would change?
Not that I disagree with you, but do you have a source for this, please?Friedrich Ebert supposedly wanted to keep monarchy in some form.
Friedrich Ebert supposedly wanted to keep monarchy in some form. Its possible for him to get it his way.