Uber, I Have a Mastercard Promo Issue & My Ride with Your Support Has Been a Car Wreck (Updated)

UPDATE 30/12/17: Uber have responsed saying “In this case, however, since Mastercard offer is valid for Mastercards issued in India, Your Master card issued in New Zealand”. But their app and the promo’s T&Cs don’t say that. Their app is working just fine prompting me and “rewarding me” with free rides that I cannot redeem. […]