Instead of personal attention, what if there were a kiosk in every (or many) airports, like a RedBox, where you could get your tickets, SIM card, or whatever pr

Instead of personal attention, what if there were a kiosk in every (or many) airports, like a RedBox, where you could get your tickets, SIM card, or whatever predictably before arriving? Or perhaps even a locker where someone gets all your things and puts them in the locker for you for when you arrive? That might keep the costs down.