Christmas Celebration is a Commemorations of Love of Jesus Christ toward Humanity. Thus Humans Should Do Same to one another!! It is necessary , therefore that ALL neighbours be involved during Christmas Festivity.
Indeed, sharing of gifts and food on Boxing day (26th,December) ought to be to ALL your neighbor, irrespective of their religious, ethnic or social leanings. It ought to be a season of total forgiveness and reconciliation between every combatants.
Nevertheless, whoever that is not well disposed to a reconciling gesture should not be Compelled to so do. It should be noted that every thing about Christianity is voluntary.!!
So, you go ahead and Celebrate the Birth of our Lord, Jesus Christ with ALL your neighbos!!