What happened to good customer service?

It seems like anymore, customer service is going down the shitter. I just pulled through DQ, and the chick shoved my bag out of the window at me without saying a word. What happened to “Hello, how are you?” and “Have a nice day.”?? I’ve noticed this in my restaurant too… Some of the servers and hostesses just don’t get the concept of serving customers. It’s like they expect the customers make the experience pleasant and not the other way around.

Where does this stem from? When did it start?

By the way, my hamburger is cold. Nice.