When a gate agent began welcoming everyone with the standard Christmas greeting, the unruly passenger responded with, “You shouldn’t say that because not everyone celebrates Christmas.”

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Once on the plane, he was greeted by a flight attendant who also wished him a Merry Christmas.

“Don’t say, ‘Merry Christmas,’ ” the man retorted.

The man refused to calm down, insisting that the greeting was inappropriate.

He was escorted off the plane as other fliers burst into cheers and applause.