I guess because you can choose to be a Christian, but you don’t choose the color of your skin.
Regardless, free speech should protect nearly everything no matter how stupid or ‘mean’.
but that is NOT the way it is in reality.
Blacks can call you a white devil, cracker, klan boy or pretty much what ever they care to.
Let’s see you call someone a koon, negro, nigger or whatever,
You will gt reported to some authority and fined, fired or killed.