https://news.ycombinator.com/item?id=21877571 (500+ upvotes and 200ish comments, but from Xmas '19) - happy Xmas posts have been very popular in the past, I don't hang around here as much any more to note if other religious festivals are covered much.
This site even has a Christmas theme where post numbers alternate red-green.
Interesting to know that tidbit. Seems like maybe not the best way to call it though, as per your link: “ as of late 20th century considered disrespectful by some Christians, due to the absence of the word Christ.”