I shared my experiences of China, have you even been? Go experience the world before you talk about people who have.
You took a year of French yet no one learns French?
It is standard curriculum in most Western secondary schools, not to mention the official language of 43 countries and territories making up 17% of the UN General Assembly. As a travel language, It is the second most important language for getting around Europe, the most important in Africa, quite useful in the South Pacific and Caribbean, Canada, IOR. It is the second most recognised lingua franca after English.
How important is Hindi or Mandarin for that matter? A few countries with diasporas? When I was running through language tapes for South Asia, I was taking Urdu, not Hindi.