I would so no, at least in my case of Urdu or Farsi. English is the new medium of communication. If anything, I would want my children to learn English, French and then maybe Chinese considering the future of business.
Any race that refuses to learn the language of business in their region or in the world is doomed to be left behind.
As a second language one can learn more languages and Should learn (Especially those you have hinted to), If one can , But , I think " Adha Batair Adha Thetar " is never appriciated.
Business is MATTERIALISM and Some Matterialistic Approach , and Spirituallity/Culture and its Tast is different thing.
Actually the World itself is Beautiful due to Differnce and VARIATION , which needs maintenance.
China is a very good Example in World in regards of Language/culture preservation importance.
How much conscious they are for , even the president will speak in Chiness and Not in English(almost every one know it).