Smoking

Why do employees at gas station when it's not busy smoke out front of the store. I know that they work alone a lot, but when you pull up and go inside they take one last long drag on their smoke and just when you get to the door they let the smoke out right in your face and if you are really lucky you can hold the door for them to go inside. Someone should tell them or their employer that it looks really bad to have the employee smoking out in front of the store. just a thought....