Sad. I have a similar example.

Android also conflates language code (say, en-GB) with physical location for many apps. And does not provide a Canadian English (en-CA) -- so if you want to not have the phone constantly spellchecking your emails incorrectly when you type colour, neighbour, etc, and switch it to en-GB to get it to shut up it then starts giving you UK news in the News & Weather app, and reads your turn by turn directions with an English accent.

And there's a similar ticket open about the subject. Also ignored for many years by the Android team.

I've thought about raising a ticket internally (I work at Google) about it, but I imagine it would suffer the same fate.