rejection of the Soviets doing most of the winning of WWII is mainstream in the US unfortunately. I honestly didn't even learn that the US played such a small role in the war in Europe until college in a Holocaust class. Of course the info is all out there, but if you grow up in the culture of "fuck yeah, the good guys! we beat the Nazis and Soviets!" That's a nice delusion to have. I remember when my professor said that to the class. he specifically did like a tangent of "oh btw... I bet many of you didn't know this, but..." and gave some information on Eastern European side of WWII. I think I was actually upset by it (still very lib minded) but I read into it further and we went over it more and stuff and yeah. In the end it's just plainly a falsehood of American Exceptionalism bullshit. But if you never study history outside high school and never read and correctly absorb information it's very easy to live in the "America saved the world!" delusion of many modern Americans.