That's not the same thing at all. a supermarket is a place you "go to" vs the airport terminal is a place where "you are." If I am going to the supermarket, I

That's not the same thing at all. a supermarket is a place you "go to" vs the airport terminal is a place where "you are." If I am going to the supermarket, I have the luxury of time and I probably have the luxury of for example going 10 minutes further for a better deal. When I am at the terminal, I am at the terminal. I can't go anywhere else. The product is either there or or it isn't