Because for many people, the concept of giving Obama credit for anything is vile.
Because this is just the sort of nonsense that people pretend to care about during campaign season. You have to be a bit of a douche to attack the man's children, so in general only the biggest of conservative douches bring this up.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.