Agree or disagree: Nazism is when colonialism happens to white people?

i. e. the reason it's so stigmatized compared to other atrocities throughout history is because the kinds of crimes perpetrated all over the world during the colonial and imperial era were perpetrated against white people?

I've heard this perspective but my mind's not set on whether it's true or not. What are your thoughts?
Agree or disagree: Nazism is when colonialism happens to white people?
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