Do the number of Soviet deaths during WW2 absolve the Soviet Union of collaborating with the Nazis and refusing to help the allies fight Nazism for several years? No.
Do the number of Soviet deaths during WW2 absolve the Soviet Union of the Soviet Union replacing Nazi occupation of Europe with an even more brutal and savage Soviet occupation of Europe? Also no.
Does the number of Soviet deaths in WW2 change the fact that Stalin deliberately murdered millions? Another no.
Maybe the Soviet Union should have picked better allies in WW2 and listened to the Allies and joined the fight against the Nazi's earlier.
Learn a little history before you start waffling on about re writing it.
