That's a big if and amusingly detached. Consider the oral history of the Tulsa massacre and how many "educated" people didn't know about it. There's is a lot o

That's a big if and amusingly detached. Consider the oral history of the Tulsa massacre and how many "educated" people didn't know about it. There's is a lot of weight coming from a grand parent telling you "hey, this bad stuff happened back in my day so you can't trust these folks" vs reading it in a book and that's hard to quantify. Fwiw I do think there are other factors at play more related to general socioeconomic issues. They just might also correlate strongly with race, zip code and a bunch of stuff.