It's difficult to take the author of the article being repudiated (Wingfield-Hayes) seriously when he has lived here for over 10 years and doesn't speak the language. Any other person who lived in a country for a decade and can't converse in the language would be (rightfully imo) shamed for it. Idk, say what you like about how journalists operate but living somewhere for a decade and not speaking the language doesn't…
Do you need to learn them all, as a foreigner? What about as a naturalized citizen? What about as a born citizen?
What if a country has adopted English as another official language (Hong Kong, Malaysia). Do you still need to learn the other languages?