Thanks for bringing this up. As I commented on @awvwgk’s link, I think it’s a good idea to translate the pages to other languages.
I think it depends on the size of your country. My old country is small and as such I encourage to use English, as the lingua franca. I am unapologetic about that and simply “require” it for anybody to learn enough to at least understand technical documents.
That being said, it is helpful to translate the webpage, and it does provide an opportunity to connect with more people and opens up more avenues to collaboration (asking people to translate the pages) and as a way “in” for people.
It is also important to eventually get to the top in (local) search engines, so we have to do whatever it takes.