Because it’s normal to learn some things about the country that you’re visiting before you go, and it’s not a exactly a secret that the U.S. isn’t doing well right now
Whether or not a country has a tippsung culture is one of the first things that basically any travel brochure will mention, so yes. You should know how to order and pay for food in the country you are visiting. It’s very basic stuff
Why would you assume they know about employment norms?
Because it’s normal to learn some things about the country that you’re visiting before you go, and it’s not a exactly a secret that the U.S. isn’t doing well right now
Is it normal to look up employment conditions? I don’t think it is.
Whether or not a country has a tippsung culture is one of the first things that basically any travel brochure will mention, so yes. You should know how to order and pay for food in the country you are visiting. It’s very basic stuff