"Diner" here means "Americans who eat food," it's not referring to the type of restaurant also called a "diner." They're just talking about American eating habi

"Diner" here means "Americans who eat food," it's not referring to the type of restaurant also called a "diner." They're just talking about American eating habits here. I'm giving you the benefit of the doubt that you did read it, since you saw "shirako" at the end, but maybe a re-read would be in order.