There’s a good chance that the patent cost is much more than 3USD….That has to be it. Adding it back is admitting a mistake and those owners being upset they don't have that $3 part.
But it doesnt matter, we need the right hardware for the car to work.
They removed the radar.
They removed the USS.
They removed the rain sensor.
They also removed the light sensor for automatic high / low beam. It is more or less fixed, work about as the high quality / premium cars. But that must be the easiest fix regarding lack of adekvat sensors.