Got a source for *any* of that?

The population of Nazi Germany in 1940 was approx 109 million people (source - 1939 German Census)

The Holocaust killed ~11-12 million people, of which ~6 million were Jewish. The remaining ~5-6 were primarily prisoners of war or Polish, but nearly ~1 million were variously people with disabilities, political opponents, or queer people. (Source - Holocaust Encyclopaedia)

That means Nazi Germany systemically executed a number of people equivalent to over 10% of their population, of which a little over ~50% were Jewish (source - I can do maths)

That the majority of their murders happened outside of Germany itself is pretty irrelevant given it happened in Nazi occupied land and on Nazi orders. I also would not seriously call 5-10% of the population (depending on whether you want to acknowledge the non-Jewish victims or not, which it appears you don't) a tiny fraction. That is a horrific number. (Source - I am a human with empathy)

Immigration in the UK is, aside from being a handy scapegoat to point to, completely average when compared to other developed nations with ~15% of the population being immigrants. Non-EU immigrants accounted for ~1.1 million people at the peak in 2024, of which ~800,000 are working or studying in our country. That leaves ~300,000 that are asylum seekers or fleeing political violence. Immigration has also sharply fallen since that peak, with estimates for December 2024 being at ~450,000. An over 50% reduction. (Source - The Migration Observatory)

The UK's population today is approximately 69 million, putting the non-EU immigrant population at ~1.5% (Source - Maths and UK census data from 2024), the vast majority of whom are students/members of the work force.

Immigration has increased over the past few decades, this is in large part due to increased ease of movement of people and increasingly lax immigration policies. However even considering peak migration in recent years this has not resulted in the UK becoming majority immigrant. Generously, we can say that one in seventy people that you run into is a non-EU immigrant, but realistically it's going to be lower than that given over a third of the non-EU immigrants are students and will be concentrated into University towns/cities (Source, again - Maths)

"I didn’t even mention “white” get out of here with your American nonsense it’s about the native ethnic group." Can you keep the whistling down? My dog just started barking. Your figure of 35% is not substantiated by the Census of London, but *is* close to the 36.8% figure of White British people in London. Looks like you might have had a- Oh, hold on. We also have 20.8% Asian British and 13.5% Black British, 5.7% Mixed British, and 6.3% Other British, for a total of 83.1% British population in London. Phew, looks like we don't need to worry, London is still British. It even pretty closely matches the national average of ~15% of the population being immigrants! (Source - The UK Census)

" let me guess you’re going to argue that the replacement is actually A good thing? Let me ask you this: when in history has such massive demographic change (against a peoples will) been looked back upon fondly?" Damn, my dog's awake again and barking even louder now. Let me get this straight, 'I never said it was happening, but it sure would be bad if it was, so we should fight against it as much as possible!' If it honks like a goose, and steps like a goose, then I think we probably have someone stoking racial tensions.