I don't think France is a racist country, I really don't, but we do still have many problems with our immigrant past, and there's a shame that goes with that, that works both ways, in the host and in the post-immigrant generation.
To become a popular religion, it is only necessary for a superstition to enslave a philosophy.
Americans should be free to recognize our religious heritage; doing that is not the same as creating a government-sponsored religion.