"Ten Thousand" https://xkcd.com/1053/ https://xkcd.com/1053/ The original person might've instead asked for an explanation in a way that didn't come across as

"Ten Thousand" https://xkcd.com/1053/ https://xkcd.com/1053/ The original person might've instead asked for an explanation in a way that didn't come across as criticizing the article. But probably best not to insist that everyone should already know the term; just explain it.