Are you trying to say acclaimed book "Dying of Whiteness" ( https://en.wikipedia.org/wiki/Dying_of_Whiteness ) is invalid because of your personal experiences?
I'm sorry but there's a large body of evidence that many people in the US are deeply racist. Not always in a "wear a hooded costume" overt way, but in more polite and dressed up to look inoffensive ways as well.
You can also read the new Jim Crow and "the color of law".