Besides, education is holistic.

Communication is more than just "English", lets not forget how visual, tactile and sensory science (and any other topic) also is. Some of these concepts are beautifully described and portrayed in other languages. I see no problem in having a wealth of linguistic concepts to draw on!

From just having a basic working knowledge of pronounciation the confidence gained by the general public would be a beautiful thing. Complete ignorance is not bliss.