Cashier was shocked when I used my contactless card in middle of SF. She nearly screamed "WHAT DID YOU JUST DO???". Meanwhile even in smallest villages of Europe no one bats an eye anymore. America is bizarre!
Why? (I think they're all run by the same company, HMSHost, who, AFAICT as a traveler, has a monopoly on airport food.)
In Canada we had none of that.