“Eliminating the works of Samuel by the left is something I will never understand. History is where it all begins. It is who we are.”
You answered your own question; they are removing the WASP contributions to the founding & building of this country from memory, and replacing it with history starting with the end of slavery, focusing on Jim Crow, women’s suffrage, and the Stonewall riot. The WASPs, like Tolkien’s elves, are disappearing, and being replaced with people who could never have built this country (and are quite content to flush it down the tubes).
Islam has has played a role in this country from the beginning.