> Hundreds of thousands of civilians have been killed in Ukraine.

Can you link some credible references for this?

The OHCHR, as of October 2023, listed 10,000 killed and 18,000 wounded.

https://reliefweb.int/report/ukraine/ukraine-civilian-casual...

For that estimate to be off by AT LEAST an order of magnitude as you are claiming requires quite a bit of evidence.