Doesn’t it depend on the war? A lot of good allied soldiers died defeating the Nazis, but a lot of good would-be Nazis also found ways to avoid service.
Every draft dodger in the invading nation is one less soldier you need to defend against.
Not all of them started or ended in 1932. And Russia v Ukraine is far from the first 21st century conflict, the entire official US vs Iraq war was 2003 to 2011 for example.