In fairness, Brits probably don't do #Thanksgiving because if we had to take a day off for the anniversary of us fucking over #indigenous people and ruining their country, we'd never actually go to work...
@juglugs someone did that to me this year and indeed I found it quite rude! I was trying to be British-polite and she was VERY German-impatient-and-rude. Or maybe I'm too soft and anglicised these days...