> Is unsourced rumor that literally more than one out of 5 Soviet citizen died in the war really worth to mention?

Are you aware of their reluctancy to show true numbers? In 1946 they've declared the number of losses as 7 millions. 15 years later - 20 millions. 40 years later - 27 millions.

Now, 70 years later, they're talking about 40 millions.