To be fair I could easily see it being much higher but that figure is the best we have.
Sadly history tends to fade and now the Germans were just a tragically misunderstood people doing nothing wrong.
I wonder how you'd feel if you or a family member endured a horrible death by firestorm due to the machinations of a government which happens to rule the nation in which you currently reside?
On whose perfect soil do you presently live?
I know someone who survived Dresden, and what those people went through was terrible. However, it was an inevitable consequence of stopping an ideological movement that did not value humanity in the least. When you hear people touting their ideology and how they can't respect people's rights because they're trying to achieve a greater good - watch out.
https://www.washingtonpost.com/opinions/five-myths-about-the...
https://www.atomicheritage.org/history/debate-over-japanese-...