“When I am president EVERYONE will be saying Merry Christmas” Donald Benito Trump.
So red and green cups for Christmas is just another example of the War on Christmas and the War on Christians, neither of which actually exist.
But that is the beauty of evangelical Christianity, the entire concept is about things that do not actually exist, so they can make anything up, lie about whatever they wish, deny science, reason and reality and get a standing ovation for it. Her in the United States of Duh.