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Well, isn't it then peoples choice to do that?No, you cannot have any freedom to be uselessly bothersome. That is basic in social rules. If you are missing that evidence, it is because societies have become extremely lax (especially in practical and mental effort. It's called a downfall).
> making more noise than the road noise
The topical noise is that which comes from the additional, artificial noises that are placed to warn the surrounding beings of the traffic, as a consequence of the fact that the vehicle would be less noisy because of the absence of the engine.
In a normal car you have the "natural" mechanical noises (hopefully muffled), whereas the lunatics have placed in a number of models a broadcast background sound that you could - if you never heard it - be assimilated to the starting sounds of operating systems in the nineties. Only, permanent during the running of the vehicle. The new noise is not "grey" as it was, but textured, like a chord of synthetic strings.
So, the prospect is of having streets full of running loudspeakers shouting their own unnatural chords. Which also means that even if you decided to live in an isolated spot of land you should not remain less then a few miles away from any street, if legislation and good un-common sense will not intervene.
> I've never heard
I have heard the scream from least two models from stellantis (probably from the same project); I am informed that the Bayern and others have researched sound textures of their own to promote the brand. I also have information that producers have contacted agencies to produce ringtones for their brand. Moreover, I have seen some implement beeps during parking operations - so your city will sound like a giant construction site.
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Update: some passed by and left a silent note. Confirming the root point! The downfall is restricting people's freedom practically and creates a problem with freedom deontically.