We're digressing from the original disagreement

I don't think so.

your argument is that vehicles should sound like vehicles.

my argument is that it doesn't matter what they sound like, as long as they make a sound.

so I'll ask, what does a vehicle sound like? also, what does a vehicle sound like to a deaf person?

I think vehicles sound like a roaring muscle car screaming down the street. I'm sure you have a different opinion. Deaf people don't care because they can't hear them anyway.

so my point is, it doesn't matter what they sound like because pedestrians need to take responsibility for their own safety by being more observant of their surroundings. you know...like deaf people.

I'm not arguing this absolves drivers from responsibly operating a vehicle.

I'm arguing that it's everyones responsibility to be more observant to ensure safety is a priority.