I don't want audio alerts for anything either. It's really simple - I don't want anything in the car that beeps, flashes, lights up, makes noise, or indeed does anything that is not directly part of making the car go in the required direction at the required speed.
People are different. People have different use cases. People live in different areas.
"I don't understand why other people would do X"
"Well, it can be because of Y, Z, or W."
"But I don't do/need/want any of those"
"..."
It's like it's a fundamental failure to understand that other minds are separate from yours and have different motives and preferences.