It's expected that customers respect service workers.
Larry is eating dinner at a crowded restaurant and realizes his drink is getting low.
Larry wants to ask the waitress to get him a refill.
Larry waits until the waitress comes to his table, and he asks her for a refill.
Larry sees the waitress across the room and whistles loudly to get her attention.
The other customers are able to eat their meals without interruption.
The other customers are offended by Larry's actions and give him angry looks.