Hahah I have a super silly response for this one: It's simply because we have not gotten around to translate the UI and everything into other languages besides english. That's why we simple assume people know english, since they need to be able to know at least some english to use it. But it's high on our to-do list.
> Not necessarily. Learning enough English to understand the UI is much lower level than being able to converse.
Exactly this. For example, I am learning German and have changed the language of my reading tablet's UI to German. That in itself is a useful learning tool.
Also "right click -> Translate to <x>" takes care of the UI automatically (in Chrome at least) but still doesn't solve the issue that English can not used to converse with the AI.
You don't need to translate English UI for training English because there are quite a lot of person don't talk / listen well even though he can write / read English quite okay.
It's because Reading / Writing can train oneself but conversation must be training in both sides, which always inadequate in some area, such as HK, since we don't talk in English but we can read quite well
The UI can be in English for people who want to learn English. People who study languages are at different proficiency levels (very few people are blank slates with no knowledge of the language).
