Anon elementary school

Question: if you’re a non-Christian or just a non-believer, does it annoy you or do you feel it’s rude to be given the greeting “Merry Christmas” – even though you may not be celebrating the holiday per se? At one time it may not have been all that out of the ordinary to wish everyone you came into contact with a “Merry Christmas” – even if it wasn’t “their” holiday...