Hitler and Mussolini had huge electoral majorities.

...in their respective countries, yes. But British even removed their poor King (under that charming 'transatlantic forbidden love' pretext) for liking Hitler too much...

Canadians from the article were not engaged in Iraq-style 'regime change'; they were not protecting Germans from Hitler, but the rest of Europe.

Apropos Hitler's popular support and WWII: tanstaafl just reminded us in another thread of this popular method of handling depressions.