There's never been any such thing as woke, nothing in this letter is a lie, and nothing in the AP African American Studies curriculum could possibly be a threat to you or do you any possible harm.
White people, white culture(if there is any such thing as purely white culture in thi country) and white society don't need to be "the default" in this country for America to be America. In many ways, America isn't America yet- and it won't be until all the wounds of the past are balmed and healed.