Strangely enough, many countries also have cultural laws around what languages can be used for subtitles and audio tracks. For example, IIRC there is a country in SA that doesn't allow non-Spanish subtitles if the primary audio is in Spanish.
There are all kinds of permutations like that which can look like arbitrarily bad UI decisions if you don't know the greater context.
There are all kinds of permutations like that which can look like arbitrarily bad UI decisions if you don't know the greater context.