If I am in Spain, should shows in English be bundled in a "Foreign Language" along with Korean dramas, Japanese animation, and a couple of odd series in Dutch? How is this helpful?
Not saying that language categorization is a bad thing. Being able to filter shows that are available in a specific audio language, or with a specific language available for subtitles, would be a bad thing. But I seriously question the helpfulness of "English" and "Other"
It’s not about filtering out the content, it’s about making it easy to tell whether or not it’s going to start playing with dubbed audio so the viewer can make a better choice.
Just tag the content with the relevant languages and let the user create filters based on them. And assume that the user understands that languages don't form disjoint categories, because the content itself could be multilingual.
Besides, original audio with subtitles is usually superior to dubbed audio.