This is called being professionally courteous. There is no implication of heart felt warmth, simply that someone is giving their job their best effort. It's wh

This is called being professionally courteous. There is no implication of heart felt warmth, simply that someone is giving their job their best effort. It's while I'll never leave my US state where courtesy is built into the local culture even when you're having a bad day. I'd rather be surrounded by people at a minimum respecting the idea we're all stuck here together than a bunch of grouses letting everyone know how unhappy they are, thus making everyone share their misery.