Let's take Britains rule in India, particularly the Bengal famine of 1943 that killed 2-3 million people (as it happened around the same time as concentration camps).
https://yourstory.com/2014/08/bengal-famine-genocide/
Let's not even get into Belgium rule in Congo.
Is this just a "History is Written By the Victors”? I'm not trying to vindicate Hitler, but what's up with this?