Valentines day, Mothers Day, Secretary's Day, Grandparents Day, Earth Day . . . I could go on.
It has nothing to do with religion, so why all the fear? Is Mother's day a Pagen holiday?
Kwaanza was created to fuel racial separatism, and is therefore far more insidious.
Only if your wife is suffering from PMS on that day. Then you are honoring The Devil. ;-)