https://www.wired.com/story/apple-china-censorship-bug-iphone-crash-emoji/
"Basically, Apple added some code to iOS with the goal that phones in China wouldn't display a Taiwanese flag," Wardle says, "and there was a bug in that code."
clacke@libranet.de ❌, clacke@libranet.de ❌ shared this.
Stupid bugs for stupid reasons xD
But wait... wasn't ©®Apple perfect, and their iThings something made by the gods? =)
https://blog.emojipedia.org/one-emoji-doesnt-show-on-ios-in-china/
This dates back to at least 2017, but it's not clear if this were the case when the Taiwan flag was first added to iOS. The same removal of the emoji applies to all of Apple's platforms in China: iOS, macOS, tvOS and watchOS.
via Wardle's blog post: