I'm not sure which German you expect to have conducted this research other than a former Nazi, seeing as basically everyone left was a former Nazi. And I don't see how you can just dismiss the government report as Nazi lies when even the Soviets report a figure of 350 thousand dead.

I mean that makes sense at least, because otherwise the adjacent neighbours will be having to pay more as they're still heating their apparent. You do have to make some sacrifices when living in a block, that's one of them.