Silent is actually the easy one, for many EVs you can just pull the fuse for the noise maker. It was pretty cool rolling down our driveway in a near completely silent car, but it felt very wrong, immediately replaced the fuse.

That’s just what they want you to believe. Cars have to be 25 years old before they can be imported, because Mercedes dealerships where butthurt about ⅕ beamers being imports four decades ago.
Technology connections on YouTube touched on it in a video, if I recall right domestic sales went up a couple percent for Mercedes dealerships, no where remotely close to +20%.